Math, asked by tannushree2986, 1 year ago

find the value of 8ab(a^2+b^2) when a+ b =√5 and a-b = √3

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Answered by 271333so

I hope it is the ans.

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tannushree2986: answer is not clear

tannushree2986: plz uplod another pic

271333so: wait

271333so: check it

tannushree2986: thku

Anonymous: Answer is 16

Anonymous: U forgot to subtract 1 in finding the value of a^2 + b^2

271333so: k thx

Answered by Anonymous

These 2 formulas are very useful for quick calculation....

It's my advice to learn HOW TO USE THEM if u wanna crack competitive examinations....

Feel free to ask any doubts.....

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