JEE MATHEMATICS MCQ: PAIR OF STRAIGHT LINES

1 Easy

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Understanding +4 | -1

The joint equation of the straight lines

x + y = 1

and

x - y = 4,

View answer and explanation

Correct option: C

\left( {x + y - 1} \right)\left( {x - y - 4} \right) = 0

Option C (

\left( {x + y - 1} \right)\left( {x - y - 4} \right) = 0

) is correct because the joint equation is obtained by multiplying the individual equations after setting them equal to zero.

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