1.

If one zeros of the quadratic polynomial kx2 + 3x + k is 2 then find the value of k.

Answer»

Given: 2 is one of zeroes of the polynomial kx2 + 3x + k , which means x = 2 will satisfy it.

k(2)2 + 3( 2) + k = 0

4k + 6 + k= 0

5k + 6 = 0

k = -6 / 5

The value of k is -6 / 5



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