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JEE Main 202227 JuneEvening Shift
Exam
JEE Main
Year
2022
Date
27 June
Shift
Evening Shift
Subject
Mathematics
Chapter
Circle

JEE Main 2022 · 27 June · Evening Shift · Mathematics · Circle

Let a circle C of radius 5 lie below the x -axis. The line L _ 1 =...

Let a circle CC of radius 55 lie below the xx-axis. The line L1=4x+3y+2{L}_{1} = 4x + 3y + 2 passes through the centre PP of the circle CC and intersects the line L2:3x−4y−11=0{L}_{2}: 3x - 4y - 11 = 0 at QQ. The line L2{L}_{2} touches CC at the point QQ. Then the distance of PP from the line 5x−12y+51=05x - 12y + 51 = 0 isLet a circle C of radius 5 lie below the x -axis. The line L _ 1 = 4x + 3y + 2 passes through the centre P of theLet a circle C of radius 5 lie below the x -axis. The line L _ 1 = 4x + 3y + 2 passes through the centre P of the

Correct answer

11

Step-by-step solution

Plotting the diagram of given data, we get

Let a circle C of radius 5 lie below the x -axis. The line L _ 1 = 4x + 3y + 2 passes through the centre P of the

Finding intersection point of 4x+3y+2=04x + 3y + 2 = 0 and 3x−4y−11=03x - 4y - 11 = 0 we get \left(1, - 2\right)</p><p>Nowfindingthepoint</p><p>Now finding the pointPbyparametricweget,<imgsrc="https://cdn−question−pool.getmarks.app/pyq/jeemain/e17bd253−2bc5−471e−9cbc−fbd6c20b85e4−image.png"style="width:200px;height:137px;"/></p><p>by parametric we get,<img src="https://cdn-question-pool.Quantrex.app/pyq/jee_main/e17bd253-2bc5-471e-9cbc-fbd6c20b85e4-image.png" style="width: 200px; height: 137px;" /></p><p>\dfrac{x - 1}{cos\theta} = \dfrac{y + 2}{sin\theta} = \pm 5</p><p></p><p>y = - 2 + 5\left(- \dfrac{4}{5}\right) = - 6</p><p></p><p>x = 1 + 5\left(\dfrac{3}{5}\right) = 4</p><p>Nowfindingdistanceofpoint</p><p>Now finding distance of pointPfromlinefrom line5x - 12y + 51 = 0$=∣5(4)−12(−6)+5113∣= \left|\dfrac{5\left(4\right) - 12\left(- 6\right) + 51}{13}\right|

=∣20+72+5113∣= \left|\dfrac{20 + 72 + 51}{13}\right|

$= \dfrac{143}{13} = 11

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