Expand: (3 a+5 b)^3 - Vidyadip

Question

Expand:
$(3 a+5 b)^3$

✓

Answer

$27 a^3+135 a^2 b+225 a b^2+125 b^3$

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

Find $x$ in the following when$: \log _x 243 = 5$

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

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

Factorise$ : a^2b^2+ 8ab - 9$

Factorise the following by grouping the terms$:15xy - 9x - 25y + 15$

Without actual division, find which of the fractions are terminating decimal:
$\frac{9}{25}$

Draw the graph of:
y + 5 = 0

Without using trigonometric tables, evaluate.
$\frac{\sin 28^{\circ} 54^{\prime}}{\sec 61^{\circ} 6^{\prime}}+\frac{\cos 28^{\circ} 54^{\prime}}{\operatorname{cosec} 61^{\circ} 6^{\prime}}$

Convert each of the to logarithmic form :
$4^{-1}=\frac{1}{4}$

Factorise : $5 x^2-20 x y$