If is a real number

MATHEMATICS · Subjective · CBSE · Mathematics · We Distribute, Yet Things Multiply · We Distribute, Yet Things Multiply

Problem

If yy is a real number, find 324y2+36y(21−18y)+(21−18y)2324y^2 + 36y(21 - 18y) + (21 - 18y)^2.

Related theory

Browse the problem library