1.

The pair of equations 3x-5y=7 And -9x+10y=7 have?

Answer»

ANSWER:

Correct option is

A

1

Given 3x+5y=7⟶(1)

2px+3y=1⟶(2)

For equation to have unique solution, then,

a

2

a

1

=

b

2

b

1

here,

a

2

a

1

=

2p

3

b

2

b

1

=

3

5

2p

3

=

3

5

⟹p

=

10

a

For all VALUES of p EXCEPT

10

9

, the given lines represents intersecting lines.


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