# Let two points be A(l, – 1) and B(0, 2). If a point P(x¢, y¢) be such that the area of DPAB = 5 sq. units and it lies on the line, 3x + y – 4l = 0, then a value of l is:

Question:

Let two points be $A(1,-1)$ and $B(0,2)$. If $a$ point $P\left(x^{\prime}, y^{\prime}\right)$ be such that the area of $\triangle P A B=5 \mathrm{sq}$. units and it lies on the line, $3 x+y-4 \lambda=0$, then a value of $\lambda$ is:

1. 4

2. 3

3. 1

4. $-3$

Correct Option: 2

JEE Main Previous Year 1 Question of JEE Main from Mathematics Matrices and Determinants chapter.
JEE Main Previous Year Jan. 8, 2020 (I)

Solution:

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