Question

if sum of the zeros of a quadratic polynomial kx square -4x+k is 3 then write the value of k ​

Answer 1

sum of the roots is given by :

$\alpha + \beta = - \times \frac{b}{a}$

by comparing with the general quadratic equation:

a = k

b = -4

c= k

3 = 4/k

k = 4/3.

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