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The equation of two equal sides of an is...

The equation of two equal sides of an isosceles triangle are 7x - y + 3 = 0 and x + y - 3 = 0 and its third side is passes through the point (1, - 10). The equation of the third side is

A

`x-3y-7=0` or `3x+y-31=0`

B

`x-3y-31=0` or `3x+y-7=0`

C

`x-3y-31=0` or `3x+y+7=0`

D

None of these

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The correct Answer is:
A
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ML KHANNA-RECTANGULAR CARTESIAN CO-ORDINATE SYSTEM AND THE STRAIGHT LINE-PROBLEM SET(4)(MULTIPLE CHOICE QUESTIONS)
  1. If one of the diagonals of a square is along the line x=2y and one of ...

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  2. A pair of straight lines drawn through the origin form with the line 2...

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  3. The equation of two equal sides of an isosceles triangle are 7x - y + ...

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  4. The equations of the lines through (-1,-1) and making angle 45a with t...

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  5. A ray of light coming from the point (1,2) is reflected at a pont A on...

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  6. Let PQR be a right angled isosceles triangle, right angled at P(2,1). ...

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  7. The equation of the bisector of the acute angle between the lines 3...

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  8. Let P=(-1,0),Q(0,0) and R=(3,3sqrt(3)) be three points. Then the equat...

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  9. Area of Delta formed by line x+y=3 and / bisectors of pair of straight...

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  10. The equation of the line whilch bisects the obtuse angle between the l...

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  11. The vertices of a triangle ABC are (1,1),(4,-2) and (5,5) respectively...

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  12. The vertices of a triangle are A(-1,-7), B(5,1) and C(1,4). The equati...

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  13. The equation(s) of the bisectors(s) of that angles between the lines x...

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  14. The bisector of the acute angle formed between the lines 4x-3y+7=0 and...

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  15. The lines L(1) : y - x = 0 and L(2) : 2x + y = 0 intersect the line ...

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  16. OrthocentreH: It is the point of intersection of altitude of a triangl...

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  17. The line lx+my+n=0 bisects the angle between a pair of straight lines ...

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  18. The vertices of a triangle are A(p,p tan alphat), B(q,qtan beta),C(r,t...

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  19. The vertices of a triangle are [at(1)t(2),a(t(1)+t(2))],[at(2)t(3),a(...

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  20. Prove that the orthocentre of the triangle formed by the three lines ...

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