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यदि x + 2 बहुपद x^(2) +ax +2b का एक गुणन...

यदि x + 2 बहुपद `x^(2) +ax +2b` का एक गुणनखण्ड हैं तथा a + b = 4 हो तो:

A

`a = 1, b=3`

B

`a = 3,b=1`

C

`a =-1,b = 5`

D

`a = 5,b=-1`

लिखित उत्तर

Verified by Experts

The correct Answer is:
B
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