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

For what value of k, the pair of linear equations 3x+ky=9 and 6x+4y=18 has infinitely many solutions?


A

-5

No worries! We‘ve got your back. Try BYJU‘S free classes today!
B

6

No worries! We‘ve got your back. Try BYJU‘S free classes today!
C

1

No worries! We‘ve got your back. Try BYJU‘S free classes today!
D

2

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is D

2


Given equations gives infinitely many solutions if,
a1a2=b1b2=c1c2

The given linear equations are:
3x+ky=9;6x+4y=18.
a1=3,b1=k,c1=9 and a2=6,b2=4,c2=18

36=k4=918

12=k4

k=2


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