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The point of intersection of the lines x...

The point of intersection of the lines `x/a+y/b=1` and `x/b+y/a=1` lies on

A

x - y = 0

B

(x + y) ( a + b) = 2ab

C

(lx + my) (a + b) = (l + m) ab

D

all of these

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The correct Answer is:
D
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OBJECTIVE RD SHARMA ENGLISH-STRAIGHT LINES-Exercise
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  2. The equation of the line with slope -3//2 and which in concurrent with...

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  3. The point of intersection of the lines x/a+y/b=1 and x/b+y/a=1 lies on

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  4. Find the equation of the bisector of the obtuse angle between the line...

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  5. If the equation of the locus of a point equidistant from the points (a...

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  6. The equations of perpendicular bisectors o the sides AB and AC of a ...

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  7. If each of the points (x1,4),(-2,y1) lies on the line joining the poin...

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  8. Equation of the line passing through the point (acos^3theta, a sin^3th...

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  9. The ends of the base of an isosceles triangle are at (2a, 0)and (0, a)...

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  10. The straight line x+y-4=0,3x+y-4=0,x+3y-4=0 form a triangle which is

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  11. Prove that the lines ax+by + c = 0, bx+ cy + a = 0 and cx+ay+b=0 are ...

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  12. The equation of one side of a rectangle is 3x-4y -10=0 and the coordin...

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  13. Given the four lines with the equations x+2y-3=0,3x+4y-7=0" , "2x+3y-...

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  14. about to only mathematics

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  15. about to only mathematics

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

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

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

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

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

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