Expand : ( 5a - 3b + c )^2 - Vidyadip

Question

Expand : $( 5a - 3b + c )^2$

✓

Answer

$( 5a - 3b + c)^2$
$= (5a)^2 + (3b)^2 + (c)^2 - 2(5a)(3b) - 2(3b)(c) + 2(c)(5a)$
$= 25a^2 + 9b^2 + c^2 - 30ab - 6bc + 10ca$

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 "[1 Mark Question Answer]" from Expansions (Including Substitution)→Expansions (Including Substitution) — all question types→MATHEMATICS STD 9 question papers→ICSE Board STD 9 question papers→ICSE Board question paper generator→

Similar questions

Write the inclination of a line which is: Perpendicular to the $ y-$axis.

Find the co$-$ordinates of points whose : Abscissa is $ 0 $ and ordinate is $-3$

following variable are continuou and which are discrete:
Daily maximum temperature of a city.

Classify the rational and irrational number from the following:
$0.202202220 \ldots$

Express the following in the exponential form$:\log _{\sqrt{3}} 27=6$

following variable are continuou and which are discrete:
Sizes of shoes sold in a shoe-store

Write the multiplicative inverse of:
$5 \frac{1}{4}$

Separate the rational and irrational from among the following number:-
0

Find the slope of the line whose inclination is given as $60^\circ $

Express the following in the exponential form$:\log _{25} \sqrt{5}=\frac{1}{4}$