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

The value of expression 2+12×2×2+1×1×1 is equal to

A
12
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
13
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
15
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
11
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B 13
On taking a = 2 and b = 1, the given expression becomes

a+ba3+b3
= a+b(a+b)(a2ab+b2)
= 1(a2ab+b2)
= 1(222×1+12)
=1(42+1)
=13

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