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Number of solution of the equation sqrt(...

Number of solution of the equation `sqrt(x^(2)-x + 1) + (1)/(sqrt(x^(2)-x+1)) = 2-x^(2)` is

A

2

B

4

C

0

D

1

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CHAMPION PUBLICATION-2012 TIER-II PAPER(22)-EXERCISE
  1. If sqrt(4 x - 9) + sqrt(4 x + 9) = 5 + sqrt7 then the value of x is :

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  2. What is the value of a^3+b^3+c^3-3abc when a =225, b = 226 and c = 227...

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  3. Number of solution of the equation sqrt(x^(2)-x + 1) + (1)/(sqrt(x^(2)...

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  4. If x + (a)/(x) =1 then the value of (x ^(2) + x + a )/( x ^(3) - x ^(...

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  5. If sqrt(28-6 sqrt3)= sqrt3a+b, ( where a, b are rational), value of (a...

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  6. 2^32-(2+1)(2^2+1)(2^4+1)(2^8+1)(2^16+1) is equal to- 2^32-(2+1)(2^2+...

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  7. If the expression x + 809436 xx 809438 be a perfect square, then the v...

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  8. If ‘'O’ is the orthocenter of the triangle ABC and angle BAC = 80^@, t...

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  9. Let A and B be two solid spheres such that the surface area of B is 30...

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  10. The ratio of the areas of the circumcircle and the incircle of a squar...

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  11. From a circular sheet of paper of radius 10cm, a sector of area 40% is...

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  12. If the area of the circular shell having inner and outer radius of 8 c...

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  13. A ditch of radius 3.5 m is dug 16 m deep. The earth removed is spread ...

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  14. The ratio of the number of sides of two regular polygons is 1: 2. If e...

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  15. If x= sqrt((sqrt5+1)/(sqrt5-1)), then x^(2)-x -1 is equal to

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  16. Two posts are x meters apart and the height of one is double that of t...

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  17. If theta is a positive acute angle and tan 2 theta .tan 3 theta = 1, t...

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  18. If sin 17^@ = x/y,then the value of sec 17^@ - sin 73^@ is

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  19. In a right -angled triangle XYZ right angled at Y . If XY=2sqrt(6)a...

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  20. If 0^@ lt theta lt 90^@, then the value of sin theta + cos theta is

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