64a³ - 27b³ - 147a²b + 108ab²
Factorise .....
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saivivek16:
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Heya. Mate
64a³ - 27b³ - 144a²b + 108ab²
= (4a)² + (-3b)³ -36ab (4a - 3b)
= (4a)³ - (-3b)³ + 3(4a)(-3b)[4a + (-3b)]
= {4a + (-3b)}³ = (4a - 3b)³
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