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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

(4,1)

C

(-1,-4)

D

(-4,-1)

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The correct Answer is:
C
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OBJECTIVE RD SHARMA ENGLISH-STRAIGHT LINES-Exercise
  1. A line passes through the point of intersection of the line 3x+y+1=0 a...

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

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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. If a!=b!=c write the condition for which the equations (b-c)x+(c-a)y+(...

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  5. The range of theta in the interval (0,pi) such that the points (3,5) a...

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  6. If P(sin theta, 1//sqrt(2)) and Q(1//sqrt(2), cos theta), -pi le theta...

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  7. If the point (1, alpha) always remains in the interior of the triangle...

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  8. Let ABC be an isosceles triangle with AB = BC. If base BC is parallel ...

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  9. If a, c, b are in G.P then the line ax + by + c= 0

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  10. If the intercept made on the line y=mx by lines y=2 and y=6 is less th...

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  11. If the line 3x+4y-24=0 intersects the x-axis at the point A and the ...

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  12. The sides of a quadrilateral are given by xy(x-2)(y-3)=0. The equatio...

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  13. · The co-ordinates of foot of the perpendicular from the point (2, 4) ...

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  14. Three vertices of a quadrilateral in order are (6,1)(7,2)" and "(-1,0)...

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  15. Find the range of (alpha,2+alpha) and ((3alpha)/2,a^2) lie on the oppo...

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  16. A point moves such that the area of the triangle formed by it with ...

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  17. Find the coordinates of the orthocentre of the triangle whose vertices...

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  18. If the pair of straight lines xy - x - y +1=0 & the line ax+2y-3=0 are...

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  19. If (-2,6) is the image of the point (4,2) with respect to line L=0, th...

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  20. If the points (1, 2) and (3, 4) were to be on the opposite side of the...

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