NCERT Solutions for Class 8 Mathematics Chapter 9
Important NCERT Questions
Algebraic Expressions and Identities Chapter 9 Exercise 9.1
NCERT Books for Session 2022-2023
CBSE Board
Questions No: 3
Add the following: (i) ab-bc, bc-ca, ca-ab (ii) 2p²q²-3pq+4,5+7pq-3p²q²
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(i) ab bc,bc ca,ca ab
ab-bc
+bc-ca
-ab +c
0+0+0
Hence the sum is 0.
(ii) 2p²q²-3pq+4,5+7pq-3p²q²
2p²q²-3pq+4
-3p²q²+7pq+5
-p²q² +4pq+9
Hence the sum is-p2q²+4pq+9.
Class 8 Maths Chapter 9 Exercise 9.1 Solution in Video
for more answers vist to:
https://www.tiwariacademy.com/ncert-solutions/class-8/maths/chapter-9/