Question

Evaluate (ii)   Find the value of k, if x-1  is a factor of p(x)  where p(x) = x2 + x +k   ​

Answer 1

Answer:

k=-2

Step-by-step explanation:

As, x-1 is a factor.

so, x-1=0

x=1

p(x)=x2 +x +k =0

p(1)=(1)2+1+k=0

1+1+k=0

2+k=0

k=0-2=-2

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Answer 2

Step-by-step explanation:

find the value of x

x-1 = 0. given

x = 1

put that value of x

p(1) = (1)2 + 1 + k = 0

= 2 + 1 + k = 0

= 3 + k = 0

= k = -3

i hope it helps you