Pls. explain in detail

Asked by Nidhi Munshi | 15th Apr, 2013, 04:41: PM

Expert Answer:

Let the 2 zeros be a, 1/a
 
Hence, the product of the roots = a*1/a = 1
4k/(k^2+4) = 1
4k = k^2+4
k^2+4-4k = 0
(k-2)^2 = 0
Hence, k = 2

Answered by  | 16th Apr, 2013, 05:57: AM

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