Using the standard formulae, expand: (x 3 +6 x )^2 - Vidyadip

Question

Using the standard formulae, expand:
$\left(\frac{x}{3}+\frac{6}{x}\right)^2$

✓

Answer

$\frac{x^2}{9}+\frac{36}{x^2}+4$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "[2 Mark Question Answer]" from Expansions→Expansions — all question types→MATHEMATICS STD 9 question papers→ICSE Board STD 9 question papers→ICSE Board question paper generator→

Similar questions

The mean of $15$ observations is $32.$ Find the resulting mean $,$ if the observation is $:$ Decreased by $7$

Without using trigonometric tables, evaluate.
$\frac{\sin 29^{\circ} 31^{\prime}}{\cos 60^{\circ} 29^{\prime}}$
$\left[\right.$ Hint. Given $\left.\exp. \frac{\sin 29^{\circ} 31^{\prime}}{\cos \left[90^{\circ}-\left(29^{\circ} 31^{\prime}\right)\right.}\right]$.

By actual division, show that:
$\frac{43}{11}=3 . \overline{90}$

Find the distance between the following pairs of points$:(\sqrt{3}+1,1)$ and $(0, \sqrt{3})$

Express the following as a vulgar fraction in simplest form:
$1 . \overline{3}$

If $13 \sin \theta=5$, find the value of $\frac{(5 \sin \theta-2 \cos \theta)}{\tan \theta}$.

Factorise : $a b\left(x^2+1\right)+x\left(a^2+b^2\right)$

Compare: $\sqrt{24}$ and $\sqrt[3]{35}$

Find the distance of the following points from the origin :
C (4,6)

State, giving reason, whether the given number is rational or irrational:
$\frac{3}{\sqrt{2}}$