x2- kx + 4 =0
Find the value of k
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Answered by
0
Let the value of x=2
x²-kx+4=0
2²-k×2+4=0
4-2k+4=0
8-2k=0
-2k=-8
k=-8/-2
k=4
Answered by
7
Put x=1
1-k+4=0
K=5 ans....
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