how to solve this..
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use these two identity ,
(1).. (a +b )^3 = a^3 + b^3 + 3ab (a +b)
= a^3 + b^3 +3a^2b + 3ab^2
(2) ..(a - b )^3 = a^3 - b^3 - 3ab ( a - b)
= a^3 + b^3 -3a^2b + 3ab^2
hope it helps !
thank you !
(1).. (a +b )^3 = a^3 + b^3 + 3ab (a +b)
= a^3 + b^3 +3a^2b + 3ab^2
(2) ..(a - b )^3 = a^3 - b^3 - 3ab ( a - b)
= a^3 + b^3 -3a^2b + 3ab^2
hope it helps !
thank you !
Answered by
1
It's is answer of 1 question.
2 and 3 question bhi ese hi honge. 4 answer in second image.
2 and 3 question bhi ese hi honge. 4 answer in second image.
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