Math, asked by leelawatikbr, 9 months ago

3. The value of k for which the lines
3x + 4y = 5 and 5x + 4y = 4 and
kx + 4y = 6 meet at a point is
A) 1
B) 2
C) 3
D)4​

Answers

Answered by mahimasinghtomar2525
1

Answer:

Answer k

Step-by-step explanation:

K = 1

Step-by-step explanation:

Finding point of intersection of lines

3x + 4y = 5

5x + 4y = 4

The point of intersection is

(-1/2,13/8).

The third line also passes through this point.

By substituting values in the equation

kx + 4y = 6

-k/2 + 13/2 = 6

On solving equation we get

k = 1..

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