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Area of triangle formed by pair of lines...

Area of triangle formed by pair of lines `(x+2a)^2-3y^2=0` and x=a is

A

`3a^2`

B

`3sqrt3a`

C

`3sqrt3a^2`

D

`sqrt(3/4a^2`

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-PAIR OF STRAIGHT LINES-LECTURE SHEET (EXERCISE-I Homogeneous pair of lines) (Straight Objective Type Questions)
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  5. If the sides of a triangle are ax^2+2hxy+by^2=0 and y=x+c, then its ar...

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  6. If 2x^2-5xy+2y^2=0 represents two equal sides of an isosceless triangl...

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  7. If two sides of triangle are given by x^2-xy-6y^2=0 " and the centroid...

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  8. Centriod of triangle whose sides are (x^2+7xy+2y^2)(y-1)=0 is

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  9. The combined equation of three sides of a triangle is (x^(2)-y^(2))(2...

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  10. The condition that the equation ax^2+by^2+c(x+y)=0 to represents a pai...

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  11. The value of lambda " such that " lambdax^2-10xy+12y^2+5x-16y-3=0 repr...

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  12. If a and b positive numbers (altb), then the range of values of k for ...

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  13. The equation to the pair of lines passing through (1,1) and parallel t...

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  14. If the angle between the lines respresented by 2x^2+5xy+3y^2+6x+7y+4=0...

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  15. The equation x^2-5xy+py^2+3x-8y+2=0 represents a pair of straight line...

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  16. If ax^2+2hxy+by^2+2gx+2fy+c=0 represents a pair of parallel lines then...

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  17. If x^2+alphay^2+2betay=a^2 represents a pair of perpendicular lines, t...

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  18. If the equation of the pair of straight lines passing through the poin...

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  19. The product of the perpendiculars from (f,-g) to the pair of st. line ...

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  20. If the pair of line ax^2+2hxy+by^2+2gx+2fy+c=0 intersect on the y-axis...

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