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Questions  

The equation of the straight line which passes through the point (1, - 2) and cuts off equal intercepts from the axes will be

a
x+y=1
b
x-y=1
c
x+y+1=0
d
x-y-2=0

detailed solution

Correct option is C

Let the line be xa+ya=1. It passes through(1,−2)∴ 1a−2a=1⇒a=−1Hence, the equation of the line is x+y =-1.

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