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

If (x + y)3 − (x − y)3 − 6y(x2 − y2) = ky2, then k =

(a) 1

(b) 2

(c) 4

(d) 8

Open in App
Solution

The given equation is

Recall the formula

Using the above formula, we have

, provided.

So, the correct choice is (d).


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Linear Equation in Two Variables
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon