(l+3m)^3-(3m-4n)^3-(4n+l)^3
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rahulcool1029:
what's the answer?
3(l+3m)(3m-4n)(4n+1)
last it is (4n+l)
3(l+3m)(3m-4n)(4n+l)
i am getting. 3 {l²(3m-4n)+(3m)²(l+4n)-(4n)²(l+3m)}
i dont know, the answer i wrote is given in the book
okay, i will do it again and will know u the answer...
ok
brother still not getting...will try again...sorry
can u plz check the ans again
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i hope this will useful to u
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thank you sir...your work helps me to remember a nice mathematical skills of class 9
u'r welcome
wish u all the best
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mark as brilliant plz no one make me brilliant I think
you will do
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