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

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

A

`(sqrt(x))/(2)+(sqrt(y))/(2)`

B

`(sqrt(x)+sqrt(y))/(sqrt(x)-sqrt(y))`

C

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

D

`x^(2)-y^(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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