Sum
Expand
(52)3
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Solution
(52)3
= `(50 + 2)^3`
= `(50)^3 + (2)^3 + 3 xx (50)^2 xx (2) + 3 xx (50) xx (2)^2`
= 125000 + 8 + 15000 + 600
= 140608
Concept: Expansion of (a + b)3
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