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If one zero of the quadratic polynomial `(k-1) x^(2) + kx + 1" is " -4` then the value of k isA. ` (-5)/4`B. ` 5/4`C. ` (-4)/3`D. `4/3` |
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Answer» Correct Answer - B x =- 4 satisfies `(k-1) x^(2) + kx +1 = 0.` `:. 16(k-1) - 4k +1=0 rArr 12k = 15 rArr k = 5/4.` |
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