If the sum of the zeros of the quadratic polynomial $k x^{2} - 3 x + 5$ is 1, write the value of k.

Open in App

Solution

To find k, where the sum of zeros of quadratic polynomial f (x) = $k x^{2} - 3 x + 5$ is 1, then here is the solution.

Let two zeros be $α$ and $1 - α$ . ( $∵$ sum of zeros is 1 and also $1 - α > 0 \Rightarrow α < 1$

$∵$ Sum of zeroes = $\frac{- b}{a}$

Suggest Corrections

Similar questions

k x^{2} - (k + 1) x + (t - 1)

\times

If one zero of the quadratic polynomial $k x^{2} + 3 x + k$ is 2 then the value of k is

(a) $\frac{5}{6}$ (b) $\frac{- 5}{6}$ (c) $\frac{6}{5}$ (d) $\frac{- 6}{5}$

If the sum of zeros of the quadratic polynomial p(x)=kx²+2x+3k is equal to their product find the value of k

k x^{2} + 5 x + 3 k

k

k

k x^{2} + x + k

Join BYJU'S Learning Program