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

Find the value of k for which the system of equations 6x + 7y = 0, kx + 21y = 0 has infinitely many solutions. ___


Open in App
Solution

The given system is of the form a1 x + b1 y = 0, a2 x + b2 y = 0

a1 = 6, a2 = k, b1 = 7,b2 = 21

If the system has infinitely many solutions.

a1a2 = b1b2

6k = 721

k =18


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