Question

for what value of k the following pair of linear equations has infinitely many solutions x+10y=68 , x+15y=98​

Answer 1

Answer:

Given lines

The pair of linear equations

2x+5y=k

and kx+15y=18

Here,a

1

​

=2,b

1

​

=5,c

1

​

=−k

and a

2

​

=k,b

2

​

=15,c

2

​

=−18

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