Question

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Answer 1

HEY MATE

HERE IS YOUR ANSWER

a=1
b=k
c=k

ATQ,
D=0
b²-4ac=0
k²-4×1×k=0
k²-4k=0
(k) (k-4)=0

so,
k=0

k=4

so values of 'k' are 0,4

HOPE THIS HELPS YOU

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