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Q.

Two lines are given to be parallel. The equation of one line is 4𝑥 + 3𝑦 = 14, then find the equation of the other line.

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Detailed Solution

We are given that two lines are parallel, and one of the lines is 4𝑥 + 3𝑦 = 14. For a pair of parallel lines, if two equations are 𝑎1 𝑥 + 𝑏1 𝑦 + 𝑐1 = 0 and 𝑎2 𝑥 + 𝑏2 𝑦 + 𝑐2 = 0

then, 

a1a2=b1b2

Here, a1 = 4 , b1 = 3 and c1 = -14

So, putting these values in the above condition, we get

4a2 = 3b2

a2b2 = 43

So, the ratio of the first two coefficients should equal the ratio of coefficients of the given equation.

Hence, the second equation is 8𝑥 + 6𝑦 − 30 = 0.

 

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