Question

Find the value of k, if x-1 is a factor of p(x) = 2x² + kx + √2​

Answer 1

Step-by-step explanation:

x-1 = 0, x = 1

p(1) = 2(1)^2 + k(1) + √2= 0

= 2 + k +√2 =0

= k = -2 - √2

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Answer 2

Step-by-step explanation:

p(x)=2x²+kx+✓2

x-1=0

x=1

p(1)=2×(1)²+k×1+✓2

0=2+k+✓2

k=-2-✓2

k= -(2- √2)