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If one zero of the quadratic polynomial `kx^(2) + 3x+k` is 2 then the value of k is

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If one zero of the quadratic polynomial `kx^(2) + 3x+k` is 2 then the value of k is
A. `5/6`
B. ` (-5)/6`
C. ` 6/5`
D. `(-6)/5`
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Correct Answer - D
x = 2 satisfies `ks^(2) + 3x + k = .`
`:. 4k+6+k = 0 rArr 5k =- 6 rArr k = (-6)/5.`
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