If r and s are roots of `x^(2) + px + q = 0` , then what is the value of `(1//r^(2))+ ( 1//s^(2))` ?

If r and s are the roots of the equation ax^2+ bx + c= 0 , then the value of 1/r^2+1/s^2=

The roots of Ax^2 + Bx + C =0 are r and s. For the roots of x^2+ px + q = 0 to be r^2 and s^2 , what must be the value of p ?

If p and q are the roots of the equation x^2 - 15x + r = 0 and. p - q = 1 , then what is the value of r?

The roots of Ax^(2)+ Bx + C=0 are r and s. For the roots of x^(2) + px+ q=0 " to be " r^(2) and s^(2), what must be the value of p?

If 3 - 4i is a root of x^(2) - px + q = 0 where p, q in R . then value (2 p - q)/( p + q) is

If alpha and beta the roots of x^(2) + px + q = 0 and alpha^(4), beta^(4) are the roots of x^(2) - rx + s = 0 , then the equation x^(2) - 4qx + 2q^(1) - r = 0 has always :

If alpha, beta are the real roots of x^(2) + px + q= 0 and alpha^(4), beta^(4) are the roots of x^(2) - rx + s = 0 , then the equation x^(2) - 4 q x + 2q^(2) - r = 0 has always