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

If a3=b2 then find the value of the ratio
5a+3b7a2b.

A
1917
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
2117
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
2217
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
2017
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B 2117
Given: a3=b2

ab=32 ....(using Alternendo)

To calculate: 5a+3b7a2b
Now dividing each term of 5a+3b7a2b by b.

=5ab+3bb7ab2bb

=5(ab)+37(ab)2

On substituting the value of ab;

=5(32)+37(32)2

=152+32122

=15+6214

​​​​​​​ =2117

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Invertendo and Alternendo Property
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon