Factorise: $3 x^{2} + 6 x^{3}$

3 x^{2} (1 + 2 x)

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3 x^{2} (1 - 2 x)

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x^{2} (1 + 2 x)

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3 x^{2} (1 + x)

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Solution

The correct option is A $3 x^{2} (1 + 2 x)$
$F a c t o r i z i n g : {3 x}^{2} + {6 x}^{3}, w e t a k e 3 x^{2} c o m m o n, = 3 x^{2} (1 + 2 x)$

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Similar questions

\frac{log (1 + x^{2} + x^{4})}{3 x^{2} (1 - 2 x)},

x = 0

f (x) = ⎧ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎨ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎩ \begin{matrix} \frac{sin (α + 2) x + sin x}{x}, & x < 0 b, & x = 0 \frac{(x + 3 x^{2})^{\frac{1}{3}} - x^{\frac{1}{3}}}{x^{\frac{4}{3}}}, & x > 0 \end{matrix}

x = 0

a + 2 b

lim x \to 0 {(\frac{1 + 5 x^{2}}{1 + 3 x^{2}})}^{1 / x^{2}}

lim x \to 0 {(\frac{1 + 5 x^{2}}{1 + 3 x^{2}})}^{1 / x^{2}} =

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