1.

Find k if the equation 4x²-2(k+1)x+k+1=0 has real and equal roots.​

Answer»

ANSWER:

for real and equal roots D=0

D= B2 - 4ac

therefore

0= (-2k+2)WHOLE square - 4×4×1

0=4k whole square +4 -16

0= 4k whole square -12

Apply the formula for finding x and you will get the answer



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