Solve the following inequation, write the solution set and represent on the number line. x+1 -3(x - 7) ≥ 15 - 7x > X€R [icse 2016]

Area of a triangle in terms of determinant.

 

Using Componendo and dividendo, find the value of x: (√(3x+4) +√(3x-5))/(√(3x+4) - √(3x-5)) = 9. [icse 2011]

 

If x/a = y/b = z/c , then prove that (x^3/a^3)+(y^3/b^3)+(z^3/c^3) = (3xyz)/(abc). [icse 2016]

 

Define Componendo and dividendo in ratio and proportion.

 

Alternendo and Invertendo properties in Ratio and Proportion.