The value of k for which x + 2 is a factor of f(x) = 2x3 + kx2 + x – 10
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Answer:
value of k is 7.
Step-by-step explanation:
x+2 is factor so x=-2 is zero of equation
Putting the value of x in equation
2(-2) ³+k(-2) ²-2-10=0
2×(-8)+4k-12=0
-16+4k-12=0
4k=28
k=28/4
k=7
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