Factorize:
8a3+27b3+36a2b+54ab2
Given,
8a3+27b3+36a2b+54ab2,
= (2a)3+(3b)3 +18ab (2a + 3b)
= (2a)3 + (3b)3 +3×2a×3b (2a +3b)
= (2a +3b)3
= (2a +3b) (2a + 3b) (2a +3b)