Advertisements
Advertisements
Question
The addition of 3mn, – 5mn, 8mn and – 4mn is
Options
mn
– mn
2mn
3mn
MCQ
Solution
2mn
Explanation;
Hint: = 3mn + 8mn – 5mn – 4mn
= 11mn – 9mn
= 2mn
shaalaa.com
Is there an error in this question or solution?
Chapter 3: Algebra - Exercise 3.2 [Page 63]
APPEARS IN
RELATED QUESTIONS
Simplify combining like terms: 5x2y − 5x2 + 3y x2 − 3y2 + x2 − y2 + 8xy2 −3y2
Subtract: (a - b) from (a + b)
Subtract: -x2 + 10x - 5 from 5x - 10
Subtract the sum of 3l − 4m − 7n2 and 2l + 3m − 4n2 from the sum of 9l + 2m − 3n2 and − 3l + m + 4n2 .....
If \[x + \frac{1}{x} = 20,\]find the value of \[x^2 + \frac{1}{x^2} .\].
Add: 2a + b + 3c and `"a" + 1/3"b" + 2/5"c"`
Add:
9ax + 3by – cz, –5by + ax + 3cz
Add the following expressions:
p2 – 7pq – q2 and –3p2 – 2pq + 7q2
Add the following expressions:
`5/8p^4 + 2p^2 + 5/8; 1/8 - 17p + 9/8p^2` and `p^5 - p^3 + 7`
How much is y4 – 12y2 + y + 14 greater than 17y3 + 34y2 – 51y + 68?