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about to only mathematics

A

`7//sqrt5`

B

`7//sqrt(13)`

C

`sqrt5`

D

`sqrt(13)`

Text Solution

Verified by Experts

The correct Answer is:
C
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OBJECTIVE RD SHARMA ENGLISH-STRAIGHT LINES-Exercise
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  2. about to only mathematics

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  4. Let the base of a triangle lie along the line x = a and be of length a...

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  5. The equation of straight line passing through point (1,2) and having i...

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  6. The point (4,1) undergoes the following two successive transformations...

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  7. A line passes through the point (2,2) and is perpendicular to the line...

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  8. The coordinates of a point on the lin y = x where perpendicular dista...

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  9. The point P(1,1) is transiated parallel to 2x=yin the first quadrant t...

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  11. The limiting position of the point of intersection of the lines 3x+4y=...

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  12. Given three straight lines 2x+11 y-5=0,24 x+7y-20=0, and 4x-3y-2=0 . T...

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  13. P(2,1) , Q (4,-1) , R (3,2) are the vertices of a triangle and if thro...

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  14. If a line passes through the point (2,2) and encloses a triangle of a...

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  15. Points on the line x + y = 4 which are equidistant from the lines |x| ...

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  16. If AB=4 and the ends A, B move on the coordinate axes, the locus of t...

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  17. A straight line L is perpendicular to the line 5x-y=1 . The area of th...

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  18. Let O be the origin. If A(1,0)a n dB(0,1)a n dP(x , y) are points such...

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  19. about to only mathematics

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  20. The straight line passing through P(x1,y1) and making an angle alpha w...

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