Question

find the value of k, If (x-2)is a factor of x^-kx+10
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Answer 1

Step-by-step explanation:

if (x-2) is a factor of x^2-kx+10 then we have,

x=2 is a root.

so., on x=2 will satisfy the given equation

=> (2)^2-2k+10=0

=> 4-2k+10=0

=> -2k=-14

=> k=7