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If the point z = (1+i) (1+2i)(1+3i)…(1+1...

If the point `z = (1+i) (1+2i)(1+3i)…(1+10i)` lies on a circle with centre at origin and radius r, then `r^(2)` =

A

10!

B

`2 xx 3 xx 4 xx …… xx 10`

C

`2 xx 5 xx 10 xx … xx 101`

D

11!

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The correct Answer is:
c
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