IP1U4 SWI (Algebraic Identities) Q11

IP1U4 SWI (Algebraic Identities) Q11

IP 1

Factorise completely

\(a^2 + a + \frac{1}{4}\)
\(a^2 - 6a + 9\)
\(a^2 - 10a + 25\)
\(9a^2 - 12a + 4\)

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Answer:(i) \(\left(a+\frac12\right)^2\) (ii) \((a-3)^2\) (iii) \((a-5)^2\) (iv) \((3a-2)^2\)

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