Question

The pair of linear equation x+2y=5 and 7x+3y=13 has uniqe solution ​

Answer 1

Answer:

Yes the above equations have a unique solution as a1/a2≠b1/b2.

Hope it helps<3

Answer 2

SOLUTION

TO FIND

IF THE EQ HAS UNIQUE SOLUTION

FORMULA USED / CONDITION USED

a1/a2 =/= b1/b2

EQUATIONS

x+2y= 5 and 7x+3y= 13

here a1= 1 , a2= 7

b1= 2 and b2 = 3

so a/a2 = 1/7 and b1/b2 = 2/3

1/7 =/= 2/3

Hence the given eq have unique solution