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

If a+b=5 and ab=3, then the value of a2+b2 is equal to 4.


A

True

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B

False

No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A

True


We know that a2+b2=12×2(a2+b2)

=12{(a+b)2+(ab)2} (by formula)

=12{(5)2+(3)2}=12(5+3)

=12×8=4

So, the statement is true.


flag
Suggest Corrections
thumbs-up
12
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Composition of Function
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon