find the value of k for which equation X square+ K ( 2 X + K - 1 ) + 2 is equal to zero has real and equal roots
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kristina2:
nt understanding??? formula?
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Refer the image..
Here a=1, b=2k, c=k^2-k+2
Here a=1, b=2k, c=k^2-k+2
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