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Operations on Algebraic Expressions — MATHS STD 8 — Question

Gujarat BoardEnglish MediumSTD 8MATHSOperations on Algebraic Expressions1 Mark
Question
Find following products:
$(7x + 11y)(7x - 11y)$
✓

Answer

$(7x + 11y)(7x - 11y) = (7x)^2 - (11y)^2$
$= 49x^2 - 121y^2$

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