1.

If `x^(2) + 8x+ k` is a perfect square , then find the value of k .A. 1B. 4C. 16D. 64

Answer» Correct Answer - C
`x^(2) + 8x + k = (x)^(2) + 2(x) (4) + k` is a perfect square .
`implies k = 4^(2) = 16`
Hence , the correct option is (c) .


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