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A(0,b) , B(0,0) and C(a,0) are verticies...

`A(0,b) , B(0,0) and C(a,0)` are verticies of `Delta ABC`. If the medians `bar(AD) and bar(BE)` are mutually perpendicular then …... of the following is true.

A

`a= (b)/(2)`

B

`b= (a)/(2)`

C

`ab=1`

D

`a= pm sqrt(2) b`

Text Solution

Verified by Experts

The correct Answer is:
D
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KUMAR PRAKASHAN-STRAIGHT LINES-Text based MCQs
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  2. Area of the triangle with verticies (-4,1),(1,2) and (4,-3) is …......

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  3. In .......... ratio Y -axis divides line segment joining points (-3,-4...

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  4. P1 and P2 are the length of perpendicular from origin to the line x se...

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  5. If a+b + c=0 then line 3ax+by+c=0 passes from ….....of the following p...

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  6. Lines axpm bypm c =0 represents …....... of the following.

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  7. (5, 2) is the mid point of the line segment intercepted between axes t...

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  8. P- alpha form of the line x+ sqrt(3) y - 4=0 is…......

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  9. If the lines x cos alpha + y sin alpha = P and x - sqrt(3) y+ 1 =0 are...

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  10. Perpendicular distance between 3x+4y-5=0 and 6x + 8y - 15=0 is …....

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  11. Lines 3x + 4y = 5, 5x + 4y = 4 and lambdax + 4y = 6 passes from unique...

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  12. (2,7) is the centroid of the triangle with verticies (4, 8) and (-2, 6...

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  13. A(0,b) , B(0,0) and C(a,0) are verticies of Delta ABC. If the medians ...

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  14. .......... is the foot of perpendicular from point (-2,3) to the line ...

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  15. .......... of the following is the line joining the point of intersect...

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  16. Angle between the ........... intersecting lines 2x-y+3=0 and x+2y+3=0...

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  17. …..... Is the line passes from point (1,2) and perpendicular to the l...

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  18. Lines ax+by =c and a'x + b'y=c' are mutually perpendicular then .........

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  19. Angle between the lines (x)/( a) + (y)/( b) and (x)/(a) - (y)/( b) = 1...

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  20. If the lines mx+ ( 2m + 3)y+ m + 6=0 and (2m+1) x + (m-1) y+m-9=0 inte...

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