Sum
Expand
(7x + 8y)3
Advertisement Remove all ads
Solution
(7x + 8y)3
= `(7x)^3 + (8y)^3 + 3 xx (7x)^2 xx (8y) + 3 xx (7x) xx (8y)^2`
= `343x^3 + 512y^3 + 1176x^2y + 1344xy^2`
Concept: Expansion of (a + b)3
Is there an error in this question or solution?
Advertisement Remove all ads
APPEARS IN
Advertisement Remove all ads
Advertisement Remove all ads
