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|(a^(2)+2a,2a+1,1),(2a+1,a+2,1),(3,3,1)|...

`|(a^(2)+2a,2a+1,1),(2a+1,a+2,1),(3,3,1)|`

A

`(a-1)^(2)`

B

`(a-1)^(3)`

C

`(a-1)^(4)`

D

`2(a-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
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