Gate 2004 Question on Linear Algebra

Sayed Athar asked Apr 2, 2018

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Can Somebody Please explain me in detail description how to calculate the number of upper triangular and lower triangular of a square matrix I read somewhere that it turns out to be ((n^2)+n) /2,Can someone please provide me with a proof

Sayed Athar asked Apr 2, 2018

Sayed Athar

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Hope u are clear now

gari answered Apr 2, 2018

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Sayed Athar

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Thanks A lot For Explanation Now Got it.

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