Find the smallest positive value of k for which the equation x^2+kx+4=0 has real roots
praveenpagariya1:
Are the roots equal also.
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Ans: Discriminant = b^2 - 4ac =0
=> k^2- 4 (1)(4) =0
=> k^2 - 16 = 0
=> k^2 = 16
=> value of k is 4
Hope it helps...!!
=> k^2- 4 (1)(4) =0
=> k^2 - 16 = 0
=> k^2 = 16
=> value of k is 4
Hope it helps...!!
is that right ?
answer ??
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