Question

(1) x² + 4x - 5 = 0, x= 1,- Find k if x = 3 is
a root of equation k x2 - 10x + 3 = 0. -7​

Answer 1

given ,x=5 in one of the root of the equation kx2 14x -5 =0 k (5)2 14 (5) - 5 =0 k = 14 (5) + 5 k = 75 25 = 3