Question

Find the value of k for which the given quadratic equation has equal roots 4x2+kx+6=0

Answer 1

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Answer 2

Answer:

Step-by-step explanation:for equal roots

B²-4ac=0

Given p(x)=4x²+kx+6=0

Here b=k,a=4 and c=6

B²-4ac=0

(k²)-4(4)(6)=0

K²-64=0

K²=64

K=8

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