Choose the correct pair-a-2-4a-4a-2-2a-12-a-2-1-a-2-9-a-1-2-a-1-2-a-3-a-3-a-1-2-a-2-2

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Factorisation of Algebraic Expressions Using Identities

Choose the co...

Question

Choose the correct pair.

a^{2} + 4 a + 4

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a^{2} - 2 a + 1

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2 (a^{2} + 1)

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(a^{2} - 9)

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(a + 1)^{2} + (a - 1)^{2}

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(a + 3) (a - 3)

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(a - 1)^{2}

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(a + 2)^{2}

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