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Find the value of a for which the line (a - 2)x - (3 - a2)y + a2 - 5a + 4 = 0 is parallel to the x-axis.

Asked by Topperlearning User 28th September 2017, 10:23 AM
Answered by Expert
Answer:

 

Any line parallel to x-axis is of the form y = a

i.e., coefficient of x = 0

 In equation (a - 2)x - (3 - a2)y + a2 - 5a + 4 = 0, coefficient of x = 0
i.e., a - 2 = 0

a = 2
Answered by Expert 28th September 2017, 12:23 PM
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