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I am not so sure. is it \(\large m(\frac{m}{n*2} - \frac{3}{2})\)

I am sorry Ishaan :(

Oh Wait.. I did something again umm It should be
\[\left(\frac{\frac{m}{n} -1}{2}\right) ( m-2)\]

I can't believe I took so much time to solve a CAT question and still don't know if it's right

Doesn't seem correct, if you want I can give you the answer.

Impossibru I checked my logic for even number of rows and column

Hmm lemme check again

For Odd this time

Mere working for small m,n doesn't mean a conclusive proof.

The correct answer is \( \frac{1}{2} n^2 \left((m-2 n)^2-n^2\right)\)

I can't stop laughing lol I made it so bad and yet it works.

Nah it doesn't works I committed some error again I will check out this problem later

work*

Yay! I got it! The closed form! Yay!

Took me time, pathetic :-/

Hehe, should i post my solution?

Yeah, you should

Okay, after few hours :)

Done! :-)