If then find the value of :

If and then which of the following is True?

  and then the ratio   equal to:

(x+2y) (x² + 4y² – 2xy) equal to- 

If a+b=17,and a – b =9, then the value of is:

Solve the following equation.

If , p≠0 then the value of

If average of two x and (where x ≠ 0) is A, what will be the average of x³ and ?