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
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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