Find the value of k if ( x-1 ) is a factor of 2x²- kx² + 7x - 1
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Answer:
k=-6/2
Step-by-step explanation:
x-1
x=1
p(1)=2(1)²-k(1)²+7(1)-1
p(1)=2+k+7-1 (+k because -k × -k=+k)
p(1)=2k+6
2k=-6
k=-6/2
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