wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Evaluate the following products without multiplying directly:
(i) 103 × 107
(ii) 95 × 96
(iii) 104 × 96

Open in App
Solution

(i) 103×107=(100+3)(100+7)
=(100)2+(3+7)×100+3×7
=10000+1000+21=11021

(ii) 95×96=(1005)(1004)
=(100)2(5+4)×100+5×4
=10000900+20=9120

(iii) Using identity: (a+b)(ab)=a2b2
104×96
=(100+4)(1004)
=(100242)
=1000016=9984

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Cube Numbers
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon