1.
If the roots of the equation x25x+16=0x^2 - 5x + 16 = 0 are α,β\alpha, \beta and the roots of the equation x2+px+q=0x^2 + px + q = 0 are (α2+β2)(\alpha^2 + \beta^2) and αβ2\frac{\alpha\beta}{2}, then -