if 2a+3b=4 , then find 8a^3 +27b^3=? Only legend can answer it. Answer fast.
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Step-by-step explanation:
2a+3b=4
cube on both sides
(2a+3b)³=4³
using identities
(a+b)³=a³+b³+3ab(a+b)
keeping value
(2a)³+(3b)³+3×2a×3b(2a+3b)=64
but aise hi hoga.
sorry yarr..
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