Answer :

Here we use the identity of

(a + b)^{3} = a^{3} + 3a^{2}b + 3ab^{2} + b^{3}

∴

⇒

⇒

⇒

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If , find the value of .

Tamilnadu Board Math Term-IIFind the expansion of

(x + 1)(x + 4)(x + 7)

Tamilnadu Board Math Term-IIFind the expansion of

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Tamilnadu Board Math Term-IISimplify:

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Expand :

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(iii)

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Tamilnadu Board Math Term-II