Question

If the lines px+qy-4=0 and 4x+3y=5 represent a pair of coincident lines, then 3p+q=?

Answer 1

Answer:

12

Step-by-step explanation:

Given,

px+qy=4

4x+3y=5

So,

p/4=q/3=4/5

By this,

p=16/5

q=12/5

Now,

3p+q=48/5+12/5

       =60/5

       =12

Answer 2

Step-by-step explanation:

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