Exercise 3.5 : Factorisation
1. Factorise the following expressions:
(i) 2a 2 + 4a2b
+ 8a2c (ii) ab − ac
−mb +mc
2. Factorise the following:
(i) x2 + 4x
+ 4 (ii)
3a2 − 24ab + 48b2
(iii) x5 -16x (iv) m2 + [1/ m2]
−23 (v) 6 -216x2 (vi) a2 + [1/a2] −18
3. Factorise the following:
(i) 4x 2 + 9y2
+ 25z
2 + 12xy + 30yz
+ 20xz
(ii) 25x 2 + 4y2
+ 9z
2 − 20xy +12yz
− 30xz
4. Factorise the following:
(i) 8x3 +125y3 (ii) 27x3 − 8y3 (iii) a6 – 64
5. Factorise the following:
(i) x3 + 8y3
+ 6xy
−1 (ii) l3 − 8m3
-27n3
-18lmn
Related Topics
Privacy Policy, Terms and Conditions, DMCA Policy and Compliant
Copyright © 2018-2023 BrainKart.com; All Rights Reserved. Developed by Therithal info, Chennai.