the point of intersection of lines ax+by=7 and bx+ay=5 is (3,1) find the valu of a and b
Answers
Answered by
17
please mark it as brainliest
Attachments:
Answered by
11
ax + by =7
bx +ay=5
Point of intersection are (3,1)
a3 +b1=7
a1+b3=5
(a3+b1=7) *3
a1 +b3=5
9a +3b =21
a +3b =5
8a =16
a=2
9*2 +3b=21
18 +3b=21
3b=3
b=1
bx +ay=5
Point of intersection are (3,1)
a3 +b1=7
a1+b3=5
(a3+b1=7) *3
a1 +b3=5
9a +3b =21
a +3b =5
8a =16
a=2
9*2 +3b=21
18 +3b=21
3b=3
b=1
Similar questions