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Question

Given lines x−42=y+54=z−1−3 and x−21=y+13=z2
Statement 1 : The lines intersect.
Statement 2: They are not parallel

A
Statement 1 is true, statement 2 is true and statement 2 is correct explanation for statement 1
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B
Statement 1 is true, statement 2 is true and statement 2 is not correct explanation for statement 1
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C
Statement 1 is true, statement 2 is false
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D
Statement 1 is false, statement 2 is true
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Solution

The correct option is B Statement 1 is true, statement 2 is false
x42=y+54=z13

x42=y+54

y=2x13

y2x+13=z13

x=3yz386

6x=3y+z+38

6x3yz=38...(1)

x21=y+13=z2

x21=y+13

y=3x7

y3x+7=z2

x=z2y146

6x=z+2y+14

6x2y+z=14...(2)

Therefore (1) and (2) intersect each other.

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