The pair of equations 3x-5y=7 And -9x+10y=7 have?
Answers
Answered by
2
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.
Answered by
0
Answer:
The pair of equations has unique solution.
Step-by-step explanation:
It is given that there are two equations given.
and
There are three possible solutions.
If there is no solution, the lines are parallel.
If there is unique solution, the lines are intersecting.
If there are infinite solutions, the lines are overlapping.
If ,
,
Here, we can see that
It has unique solution. The lines are intersecting.
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