Math, asked by dipakgupta9464, 17 days ago

Find the value of k, if x+2 is a factor of 4x4+2x3 -3x2+8x+5k.

Answers

Answered by ayushiagarwal694
5

Answer:

If x + 2 is a factor of this equation then,

x + 2 = 0

x = -2

4( - 2) {}^{4}  + 2( - 2) {}^{3}  - 3( - 2) {}^{2}  + 8( - 2) + 5k = 0

4 \times 16 + 2 \times ( - 8) - 3 \times 4  - 16 + 5k = 0

64 - 16 - 12 - 16 + 5k \:  = 0

20 + 5k = 0

5k =  - 20

k =  - 4

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Answered by payalyadav9302
0

Answer:

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