CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Verify:
(i) x3+y3=(x+y)(x2xy+y2)
(ii) x3y3=(xy)(x2+xy+y2)

Open in App
Solution

To verify put x=1 and y=2 in given equations, and check wheater LHS and RHS are equal.

(i) x3+y3=(x+y)(x2xy+y2)
LHS: x3+y3= 13+23 =9
RHS: =(x+y)(x2xy+y2) =(1+2)(121.2+22) =9
verified

(ii) x3y3=(xy)(x2+xy+y2)
LHS:x3y3= 1323 =7
RHS:(xy)(x2+xy+y2)=(12)(12+1.2+22) =7
It is verified

flag
Suggest Corrections
thumbs-up
8
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Identities for Irrational Numbers
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon