If 3x2 + 14x + 8 is divided by x + 4, the result is:

A

3x + 2

B

2x - 3

C

5x + 1

D

2x + 3

উত্তরের বিবরণ

img

3x2 + 14x + 8
= 3x2 + 12x + 2x + 8
= 3x(x + 4) + 2(x + 4)
= (x + 4)(3x + 2)

এখন,
(3x2 + 14x + 8)/(x + 4)
= (x + 4)(3x + 2)/(x + 4)
= 3x + 2

সুতরাং, ভাগফল হলো 3x + 2।

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Updated: 15 hours ago

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