IP1U4 SWI (Algebraic Identities) Q1

IP1U4 SWI (Algebraic Identities) Q1

IP 1

Expand and simplify

\((x+2)(x-2)\)
\((y+5)(y-5)\)
\((y-6)(y+6)\)
\((x+7)(x-7)\)

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Answer:(i) \(x^2-4\) (ii) \(y^2-25\) (iii) \(y^2-36\) (iv) \(x^2-49\)

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