SigmaMathnet

	Teaching and Learning Old matrix test 1 SOLUTION	Yellow Dragon Articles 1985 An Extension of Extended Partial Fraction Theorem 1986 Vandermonde determinant with higher degree 2007 Simply Logic and Numbers 2008 When vectors shoot at the Centres of a Triangle 2009 Cream Cake Fight
Easier	Intermediate	Harder
Coal Problem, pdf Coal Problem, docx	Who says that an identity cannot be proved simply by substitution.pdf Who says that an identity cannot be proved simply by substitution.docx	Integrate e^ax cos (bx+c).pdf Integrate e^ax cos (bx+c).docx
Construction of a regular pentagon worksheet, pdf Construction of a regular pentagon worksheet, docx	Short note on differentiation using the chain rule repeatedly.pdf Short note on differentiation using the chain rule repeatedly.docx	Integrate Sqr (1+x^2).pdf Integrate Sqr (1+x^2).docx
Beautiful number patterns, pdf Beautiful number pattern, docx	Apothem - a Calculus problem, pdf Apothem - a Calculus problem, docx	A harder 2 = 1 fallacy, pdf A harder 2 = 1 fallacy, docx
A small magic dice problem, pdf A small magic dice problem, docx	Examples of 3D sketching, pdf Examples of 3D sketching, docx	Integrate sec x, pdf Integrate sec x, docx
A paradox in using percentages, pdf A paradox in using percentages, docx	Binomial Theorem Vs Trinomial Theorem, pdf Binomial Theorem Vs Trinomial Theorem, doc	Introduction to the Square Root of a Matrix.pdf Introduction to the Square Root of a Matrix.docx
Find the mistake in an inequality problem, pdf Find the mistake in an inequality problem, doc	Request for help on a locus problem, pdf Request for help on a locus problem, docx	Integration using parameter.pdf Integration using parameter.docx
Volume of Frustum, pdf Volume of Frustum, doc	Paradoxes in complex number for beginners, pdf Paradoxes in complex number for beginners, Docx	An integration problem from Malaysia student.pdf An integration problem from Malaysia student.docx
On Logarithm, pdf On Logarithm, doc	Principle of inclusion and exclusion, pdf Principle of inclusion and exclusion, docx	An example in calculating Arc Length.pdf An example in calculating Arc Length.docx
Some questions on Square and Cube Formulae, pdf Some questions on Square and Cube Formulae, doc	Discussion on a small quadratic equation problem, pdf Discussion on a small quadratic equation problem, docx	Skew Lines, a 3D example, pdf Skew Lines, a 3D example, docx
A problem on complex root of quadratic equation , pdf A problem on complex root of quadratic equation , doc	An example on five classical centres of a right angled triangle, pdf An example on five classical centres of a right angled triangle, docx	Solve 2^x+x-2=0. pdf Solve 2^x+x-2=0. docx Support document : Numerical method.xlsx
Geometric construction of square root of a positive integer, pdf Geometric construction of square root of a positive integer, doc	Solve system of equations with 150 variables (2013) SOLUTION	Equation of sphere through four points, pdf Equation of sphere through four points, docx
Surd equations, pdf Surd equations, doc	Slope of angle bisectors of rhombus, pdf \|Slope of angle bisectors of rhombus, doc x	Solve a system of non-linear equation, pdf Solve a system of non-linear equation, docx
Using completing square to simplify surds, pdf Using completing square to simplify surds, doc	LCM x HCF = Product of numbers? , pdf LCM x HCF = Product of numbers?, docx	A short note in comparing a series and an integral, pdf A short note in comparing a series and an integral, docx
Binary, Quaternary, Octary, Denary and Hexadecimal number systems, pdf Binary, Quaternary, Octary, Denary and Hexadecimal number systems, doc	Pascal Formula for Binomial Coefficient, pdf Pascal Formula for Binomial Coefficient, doc	Nested square roots.pdf Nested square roots. docx
Illegal Operation Fun, pdf Illegal Operation Fun, doc	A probability worksheet. pdf A probability worksheet. doc	Notes on Indefinite Integration HKDSE
A small infinite geometric series problem , pdf A small infinite geometric series problem , doc	Using quadratics to find the range of some rational functions, pdf Using quadratics to find the range of some rational functions, doc	Crystal production: integration OR summation? pdf Crystal production: integration OR summation? Docx
A question on Straight line , pdf A question on Straight line , doc	Solve a sin x +b cos x = c , pdf Solve a sin x +b cos x = c , doc	Email discussions with an Indian teacher on Mathematics, pdf Email discussions with an Indian teacher on Mathematics, Docx
Pirates of the Caribbean , pdf Pirates of the Caribbean , doc	Harder area problems, pdf Harder area problems, doc	A locus problem, pdf A locus problem docx
Signs of complete square , pdf Signs of complete square , doc	Elementary Techniques in differentiation from the First Principle, pdf Elementary Techniques in differentiation from the First Principle, doc	A small inequality problem, pdf A small inequality problem, docx
Different Nets , pdf Different Nets , doc	Some harder examples of subsidiary angle form in trigonometry , pdf Some harder examples of subsidiary angle form in trigonometry , doc	Integrate 1/(x^3+1) and 1/(x^4+1) , pdf Integrate 1/(x^3+1) and 1/(x^4+1) , docx
Positive Integral solution of the Lens Formula, pdf Positive Integral solution of the Lens Formula, doc	A good series, pdf A good series, doc	Pivot method for solving system of linear equations and an interesting mistake, pdf Pivot method for solving system of linear equations and an interesting mistake, docx
	Quotient Rule Song , pdf Quotient Rule Song , doc	Envelope, pdf Envelope, docx
	Cowboy Probability , pdf Cowboy Probability , doc	nth power of a matrix and Binet Formula for Fibonacci Sequence, pdf nth power of a matrix and Binet Formula for Fibonacci Sequence, docx
	A small problem in probability , pdf A small problem in probability , doc	An improper integral and an infinite series, pdf An improper integral and an infinite series, doc
	Disappeared circle , pdf Disappeared circle , doc	Birthday Paradox, pdf 　 (excel) Birthday Paradox, doc
	A mistake in finding min. in quadratic function , pdf A mistake in finding min. in quadratic function , doc	An area problem revisited pdf An area problem revisited docx
	Mistake in a Vector Problem, pdf Mistake in a Vector Problem, doc	Points of inflection , pdf Points of inflection , doc
	Mathematical Induction, pdf Mathematical Induction, doc	Discussions on a Mathematical Induction problem , pdf Discussions on a Mathematical Induction problem , doc
	A Trigonometry Mistake, pdf A Trigonometry Mistake, doc	Matrix Quiz , pdf Matrix Quiz , doc
	Positive Roots of Quadratic Equations, pdf Positive Roots of Quadratic Equations, doc	A small determinant problem , pdf A small determinant problem , doc
	Factorization using cross multiplication method, pdf Factorization using cross multiplication method, doc	A Hyperbola in complex plane ? , pdf A Hyperbola in complex plane ? , doc
	Discussion on two small problems in A. Math. Mock Exam , 2009, pdf Discussion on two small problems in A. Math. Mock Exam , 2009, doc	Complex locus of a circle , pdf Complex locus of a circle , doc
		Harder applications in Heron's formula, pdf Harder applications in Heron's formula, doc
		A harder quadratic problem, pdf A harder quadratic problem, doc
		Difference method for some finite algebraic series, pdf Difference method for some finite algebraic series, doc
		The optimal bond angle of Methane, pdf The optimal bond angle of Methane, doc
		A divisibility problem, pdf A divisibility problem, doc
		If or only if, pdf If or only if, doc
		Mistake in a Vector Problem, pdf Mistake in a Vector Problem, doc
		A small binomial theorem problem, pdf A small binomial theorem problem, doc