the value of k for which the equation x^2-4x+k=0 jas equal roots.
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Answered by
0
b^2-4ac =0 .....
16-4k=0
-4k=-16
k=4
16-4k=0
-4k=-16
k=4
Answered by
1
Equal roots condition
b²-4ac = 0
(-4)²-4*1*k = 0
16-4k=0
16 = 4k
k = 4
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