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

Set of solutions of the equation 3(x9)2(x1)6x210x+9=0 is

A
{1,7,9}
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
{1,7,9,11}
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
{1,9,11}
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
{1,9}
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B {1,7,9,11}
3(x9)2(x1)6x210x+9=03|x9||x9||x1|6|x9||x1|=0(3|x9|6)(|x9||x1|)=0
3|x9|6=0 or |x9|=0 or |x1|=0x=11,7 or x=9 or x=1
So, the solution set is {1,7,9,11}

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