-7m-[3n-{8m- (4n-10m)}] = ?
- 11m-5m
- 11m-7n
- 110-11m
- None of these
Explanation
-7m-[3n-{8m- (4n-10m)}] = ?
= - 7m - [ 3n - { 8m - (-10m +4n)]
= - 7m - [ 3n -( 8m +10m -4n )]
= -7m - (3n - (18m -4n )
= -7m - (3n +4n - 18m)
= -7m - (7n - 18m)
= 11m - 7n
Related MCQs
- 10
- 15
- 20
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Commutative property w.r.t addition
- Associative property w.r.t addition
- Associative property w.r.t multiplication
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Whole number
- Rational number
- Irrational number
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Always irrational
- Always an integer
- Always rational
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Cubic root
- Index
- Radical
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
