The expression $(1 + a)^{3}$ when using a suitable property is simplified we get .

3 a^{2}

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a^{2} + 3 a + 3 a^{3}

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a^{3} + 3 a + 3 a^{2}

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Solution

The correct option is C 1+ $a^{3} + 3 a + 3 a^{2}$
We can see that the given polynomial is of the form - $(x + y)^{3}$ .

$(x + y)^{3}$ = $x^{3}$ + $y^{3}$ + $3 x^{2} y$ + $3 x y^{2}$

By simplifying we get-

$(1 + a)^{3}$ = 1 + $a^{3}$ + $3 a$ + $3 a^{2}$

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3^{3} \times a^{3} \times b^{3}

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