Question

Please answer from below image
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Answer 1

Answer:

Let the function be represented by f(x).

As x+2, exactly divides f(x), 

−2 is a zero of f(x), hence f(−2)=0

f(x)=2x3+5x2−x−k

f(−2)=2(−23)+5(−22)+2−k=0

⇒0=−16+20+2−k

⇒k=6

Answer 2

Step-by-step explanation:

$Answer$

$= ( \frac{2}{4} )$

Hope, it's help you.

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