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

Expansion of (x+y+z)2 :

A
x2+y2+z2+2(xy+yz+zx)
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
x2+y2+z22(xy+yz+zx)
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
x2+y2+z22(xyyz+zx)
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
x2+y2+z2+2(xyyz+zx)
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A x2+y2+z2+2(xy+yz+zx)
Use identity
(a+b+c)2=a2+b2+c2+2(ab+bc+ca)

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
(x+y+z)^2
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon