Expand (x-4y+z)^2 (2a-3b)^3 solve
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(a + 1)(a +2) = a2+3a+2
=> In the given equality, let’s put a = 10 in both sides.
LHS = (a + 1) (a + 2) = (10 + 1) (10 + 2) = 11 × 12 = 132
RHS = a2 + 3a + 2 = 102 + 3 × 10 + 2 = 100 + 30 + 2 = 132
For a = 10, L.H.S = R.H.S
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