Find the square of : 3 5 5 - Vidyadip

Question

Find the square of : $\frac{3 \sqrt{5}}{5}$

✓

Answer

$ \left(\frac{3 \sqrt{5}}{5}\right)^2$
$=\frac{3^2(\sqrt{5})^2}{5^2}$
$ =\frac{9 \times 5}{25}$
$=\frac{9}{5}$
$=1 \frac{4}{5}$

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 Rational and Irrational Numbers→Rational and Irrational Numbers — all question types→MATHEMATICS STD 9 question papers→ICSE Board STD 9 question papers→ICSE Board question paper generator→

Similar questions

Solve for x:
$\left(\sqrt{\frac{3}{5}}\right)^{x-1}=\left(\frac{27}{125}\right)^{-1}$

Convert each of the to logarithmic form :
$5^2=25$

Solve the following equations for the unknown$: 3(3x - 4) -2(4x - 5) = 6$

Prove that: $\sin 60^\circ = 2 \sin 30^\circ \cos 30^\circ $

Find the distance of the points from the origin:
B (-5, 5)

Write the lowestrationalising factor of$ :15 - 3\sqrt2$

Evaluate:
$\log \frac{81}{8}+2 \log \frac{2}{3}-3 \log \frac{3}{2}+\log \frac{3}{4}$

Evaluate the following$: \frac{\cos 34^{\circ} \cos 35^{\circ}}{\sin 57^{\circ} \sin 56^{\circ}}$

A test out of $25$ marks was given to $16$ students and marks scored are recorded below:$25, 8, 14, 20, 16, 22, 10, 15, 8, 7, 24, 18, 19, 6, 11, 14$ Find the mean marks

Construct a rhombus ABCD in which diagonal $AC =5.8 cm$ and diagonal $BD =6.4 cm$.