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Question

Find the values of K for which the line (K3)x(4K2)y+K27K+6=0 is

(a) Parallel to the x-axis

(b) Parallel to the y-axis,

(c) Passing through the origin.

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Solution

The given equation of line is

(K3)x(4K2)y+K27K+6=0

Then m=(K3)(4K2)=K34K2

(a) If the line is parallel to x-axis then m = 0

K34K2=0K3=0

K=3

(b) If the line is parallel to y-axis then 1m=0

4K2K3=04K2=0

K2=4 K=±2

(c) If the line passes through origin then

(K3)×0(4K2)×0+K2K+6=0

K27K+6=0

(K1)(K6)=0K=1,6


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