Find the value of k if x+2 is a factor of p(x) = 2xcube -kx square +3x +10
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Answer:
k=-3
Step-by-step explanation:
since x-2 is a factor of p(x) then -2 is a zero of p(x)
2(-2)^3 -k(-2)^2 +3(-2) +10= 0
=>-16-4k-6+10=0
=> -12-4k=0
=> 4k=-12
=> k = -3
therefore value of k will be -3
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