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If (1+i)(1+2i)(1+3i).......(1+ni)=x+iy, ...

If `(1+i)(1+2i)(1+3i).......(1+ni)=x+iy`, then `2.5.10.........(1+n^(2))=`

A

`0`

B

`1`

C

`1+n^(2)`

D

`x^(2)+y^(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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