Factorise the following by the difference of two squares:625 - b^… - Vidyadip

Question

Factorise the following by the difference of two squares$:625 - b^2$

✓

Answer

$625 - b^2$
$= (25)^2 (b)^2$
$= (25 - b)(25 + b)$

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 Factorisation→Factorisation — all question types→MATHEMATICS STD 9 question papers→ICSE Board STD 9 question papers→ICSE Board question paper generator→

Similar questions

Expand:
$\left(\frac{1}{2} x-\frac{2}{3} y\right)^3$

Find the distance between the points:
A (7, 13) and B (10, 9)

Solve for x : $\log \left(x^2-21\right)=2$

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

Find the product using suitable identitie:
$\left(y-\frac{6}{y}\right)\left(y^2+6+\frac{36}{y^2}\right)$

Expand the following$:(x - 3y - 2z)^2$

Using the standard formulae, expand:
$\left(5 x+\frac{1}{5 x}\right)\left(5 x-\frac{1}{5 x}\right)$

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

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

Show that $x$ is irrational, if $x^2 = 27.$