Question

The equation 2x-2y-2=0 &4x-4y-5=0

Answer 1

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• 2x - 2y -2 = 0.
• 4x - 4y - 5 = 0.

a1/a2 = 2/4 = 1/2

b1/b2 = -2/-4 = 1/2

c1/c2 = -2/5

Hence A1/a2 = b1/b2 ≠ c1/c2

Therefore the lines are parallel

Answer 2

Answer:

a1 / a2 = 2/4 = 1/2

b1 / b2 = -2/-4 = 1/2 and

c1 / c2 = 2/ 5

Hence , a1/a2 = b1 / b2 not equal to c1 / c2