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There are 2m horizontal lines equispaced...

There are 2m horizontal lines equispaced at unit distance and 2n vertical lines equi- spaced at unit distance .

How many rectangles can be formed such that the length of their sides is odd ?

A

`4^(m+n-2)`

B

`(m+n-1)^2`

C

`m^2n^2`

D

`m(m+1)n(n+1)`

Text Solution

Verified by Experts

The correct Answer is:
C
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