Mathematical expression for max{a,b} and min{a,b} #maths #mathematics

General Cartesian equation of a regular polygon with holes at its vertices. #mathematics

Proof of divisibility rule of 7 #mathematics #maths

Divisibility rule of 3 and its proof #mathematics #maths

Find all (x,y) such that sin(x)+sin(y)=sin(x+y) and |x|+|y|=1

Equation of a rhombus......!!!!!

Equation of an equilateral triangle with circumcentre at origin.

The last digit of 9!+3⁹⁹⁶⁶ is ...........