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If a ne b ne c and if ax+by+c=0, bx+cy+a...

If `a ne b ne c` and if `ax+by+c=0, bx+cy+a=0, cx+ay+b=0` are concurrent then `2^(a^(2)b^(-1)c^(-1)).2^(b^(2)c^(-1)a^(-1))2^(c^(2)a^(-1)b^(-1))=`

A

2

B

4

C

6

D

8

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-STRAIGHT LINES-EXERCISE -II
  1. The equation of the one passing through the point of intersection of t...

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  2. The lines 2x+y-1=0, ax+3y-3=0, 3x+2y-2=0 are cuncurrent

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  3. If a ne b ne c and if ax+by+c=0, bx+cy+a=0, cx+ay+b=0 are concurrent ...

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  4. If the lines a(1)x+b(1)y=1,a(2)x+b(2)y=1,a(3)x+b(3)y=1, are concurrent...

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  5. If the lines x+ay=a=0, bx+y+b=0, cx+cy+1=0 (a,b,c being distinct and !...

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  6. If theta is the parameter, then the family of lines represented by (2c...

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  7. All the lines whose sum of reciprocals of intercepts is k will be conc...

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  8. Equation of the line belonging to the system 3x+2y-8+lamda(2x-5y+1)=0 ...

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  9. The orthocentre of the triangle formed by (0,0),(5,-1),(-2,3) is

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  10. The orthocentre of the triangle formed by the lines x+y+1=0,x-y-1=0,3x...

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  11. If the straight lines 2x+3y-1=0,x+2y-1=0 and ax+by-1=0 form a triangle...

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  12. The circumcentre of a triangle with vertices (-2, 3), (2, -1), (4, 0)...

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  13. The circumcentre of the triangle formed by the lines x+y=0, x-y=0 and...

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  14. The incentre of the triangle formed by the lines x+y=1,x=1,y=1 is

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  15. The centre of the triangle formed by the lines 4x+3y+10=0,5x-12y+26=0,...

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  16. Two sides of a triangle are y=m(1)x and y=m(2)x,m(1),m(2) are the root...

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  17. The orthocentre of triangle formed by (a cos alpha, a sin alpha),(a co...

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  18. The equation of the a straight line passing through the points (1,2) a...

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  19. A straight line passing through origin and inclined at 60^(@) to the l...

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  20. The vertices of a trianvle are A(-1,-7),B(5,1) and C(1,4). The equatio...

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