Download App

Factorisation of Polynomials — Maths STD 9 — Question

Gujarat BoardEnglish MediumSTD 9MathsFactorisation of Polynomials2 Marks
Question
Expand:

(5a - 3b)3

✓

Answer

(5a - 3b)3

= (5a)3 - (3b)3 - 3(5a)2(3b) + 3(5a)(3b)2

= 125a3 - 27b3 - 225a2b + 135ab2

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 Marks Questions" from Factorisation of Polynomials→Factorisation of Polynomials — all question types→Maths STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

Verify : x3 - y3 = (x - y)(x2 + xy + y2)
→
Factorize the following expressions:
a3 + 8b3 + 64c3 - 24abc
→
Using your protractor, draw an angle of measure 108°. With this given angle as given, draw an angle of 54°.
→
Write the following in decimal form and say what kind of decimal expansion has.
$2\frac{5}{12}$
→
By Remainder Theorem find the remainder, when p(x) is divided by g(x), where:
p(x) = x3 - 2x2 - 4x - 1, g(x) = x + 1
→
Find the value of $(1296)^{0.17}\times(1296)^{0.08}.$
→
Find the area of a triangle whose base and altitude are 5cm and 4cm respectively.
→
Factorize:
a2 - b2 + 2bc - c2
→
Simplify the following:
175 × 175 + 2 × 175 × 25 + 25 × 25
→
Find the surface area of a sphere of radius 14cm.
→