Question

3. Find the value of k, if x - 1 is a factor of p(x) in each of the following cases:
(1) P(x)= x +x+k
(ii) p(x) = 2x2 + kx + V2
(iii) p(x) = kr? - 12x+1
(iv) p(x) = kx2 – 3x +k​

Answer 1

Answer:

Here we will first calculate zero of x-1 which will come out to be x=1.

Step-by-step explanation:

now in each of the parts we will put p(x)=1.

1)p(x)= x+x+k

p(1)=1+1+k=0 ( using factor theorem)

k= -2

Similarly other parts can be solved.

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