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Algebraic Expressions, Identities and Factorisation — MATHS STD 8 — Question

Gujarat BoardEnglish MediumSTD 8MATHSAlgebraic Expressions, Identities and Factorisation2 Marks
Question
Using suitable identities, evaluate the following.
$(729)^2- (271)^2$
✓

Answer

$(729)^2- (271)^2$
$= (729 + 271)(729 - 271)$
$= 1000 \times 458$
$= 458000$

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