explain me.how to solve this question? step by step
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use this identity ; a^3 + b^3 = (a + b) (a^2 + b^2 -ab).......
ur Q, is re-written as (2x + 3)^3 + 4^3 = (2x+3 + 4) {(2x+3)^2 + 4^2 - (2x + 3)(4)
= (2x+7) (4x^2 + 4x +13) ans.
Thunder9532:
what is meaning of this sign ^ ?
4^2 = 16 , 4 to the power 2 is 16
ohh....
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