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Find the image of the point (3,8) with r...

Find the image of the point (3,8) with respect to the line `x+3y=7` assuming the line to be a plane mirror.

A

`(1,4)`

B

`(-1,-4)`

C

`(1,-4)`

D

`(-1,4)`

Text Solution

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The correct Answer is:
B
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NAGEEN PRAKASHAN ENGLISH-STRAIGHT LINES-Exercise
  1. Equation of a line passing through the point (2,3) and perpendicular t...

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  2. In what ratio, the line joining (1, 1)and (5, 7)is divided by the line...

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  3. Find the image of the point (3,8) with respect to the line x+3y=7 assu...

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  4. The locus of the points of intersection of the lines x cos theta+y sin...

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  5. A straight line through the point (2,2) intersects the lines sqrt(3)x+...

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  6. The triangle formed by the straight lines x=y, x+y=4 and x+3y=4 is :

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  7. The lines px +qy+r=0, qx + ry + p =0,rx + py+q=0, are concurrant then

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  8. Find the point of intersection of the following pairs of lines: b x+a ...

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  9. The area of triangle formed by the straight lies y=1, 2x+y=2 and 2x-y+...

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  10. If the equation of the base of an equilateral triangle is x+y=2 and th...

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

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  12. Write the coordinates of the orthocentre of the triangle formed by ...

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  13. If the line y=mx, meets the lines x+2y=1 and 2x-y+3=0 at one point onl...

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  14. Draw a quadrilateral in the Cartesian plane, whose vertices are (- 4,...

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  15. The base f an equilateral triangle with side 2a lies along the y-ax...

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  16. Find the distance between P(x-1,\ y1)a n d\ Q(x2, y2) when i. P Q is ...

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  17. Find a point on the x-axis, which is equidistant from the point (7,...

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  18. Find the slope of a line, which passes through the origin, and the mid...

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  19. Without using Pythagoras theorem, show that A(4,4),\ B(3,5)a n d\ C(-1...

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  20. Find the slope of the line, which makes an angle of 30^o with the posi...

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