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PUNAM BHANDARI

· started a discussion

· 1 Months ago

correction (Question: 202374.0 )

Do correction as fast as u can

Question:

If (x – 2) is a factor of \(X^3\) + k\(X^2\) – 2x – 24 then what is the value of k?

Options:
A)

6

B)

5

C)

1

D)

-2

Solution:

Ans: (b)

\(X^3\) + k\(X^2\) – 2x – 24

here, x = 2

(2)3 + k(2)2 – 2 × 2 – 24 = 0

⇒ 8 + 4k – 4 – 24 = 0

⇒ 4k – 20 = 0

∴ k =  204    = 5

Knowledge Expert

· commented

· 1 Months ago

Dear Student,

We Fixed it.

Hope you have a great learning with us!!

All the Best,
Team Toprankers

Knowledge Expert

· commented

· 1 Months ago

Yet to be approved!

Knowledge Expert

· commented

· 1 Months ago

Yet to be approved!
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