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Algebraic Expressions and Identities — MATHS STD 8 — Question

Gujarat BoardEnglish MediumSTD 8MATHSAlgebraic Expressions and Identities1 Mark
Question
Simplify: $\left(t+s^2\right)\left(t^2-s\right)$
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Answer

$\left(t+s^2\right)\left(t^2-s\right)=t\left(t^2-s\right)+s^2\left(t^2-s\right)$
$=t \times t^2-t \times s+s^2 \times t^2-s^2 \times s$
$=t^3-s t+s^2 t^2-s^3$

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