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The equation sqrt(x+1)-sqrt(x-1)=sqrt(4x...

The equation `sqrt(x+1)-sqrt(x-1)=sqrt(4x-1)` has

A

2

B

0

C

3

D

1

Text Solution

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The correct Answer is:
B
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PATHFINDER-QUADRATIC EQUATION AND EXPRESSION-QUESTION BANK
  1. Let alpha,beta be the roots of x^2-x-1=0 and Sn=alpha^n+beta^n, for al...

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  2. If alpha,beta are the roots fo ax^2+bx+c=0 (ane0) and alpha+h, beta+h ...

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  3. The equation sqrt(x+1)-sqrt(x-1)=sqrt(4x-1) has

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  4. If a, b and c are positive numbers in a G.P., then the roots of the qu...

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  5. If the equation x^2+2x+3=0 and ax^2+bx+c=0 , a, b, c in R, have a comm...

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  6. If alpha and beta are the roots of x^2-x+1=0,then the value of alpha^(...

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  7. If alpha,beta are the roots of the quadratic equation x^2+ax+b=0, (bne...

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  8. Let p(x) be a quadratic polynomial with constant term 1. Suppose p(x) ...

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  9. If alpha,beta are the roots of the quadratic equation ax^2+bx+c=0 and ...

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  10. Let sinalpha,cosalpha, be the roots of the equation x^2-bx+c=0. Then w...

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  11. What is the calorific value of 80 gms of carbohydrate, 15 gms of prote...

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  12. The equation e^(sin x) -e^(-sin x)-4=0 has

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  13. The equations x^2+x+a=0 and x^2+ax+1=0 have a common real root

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  14. If (alpha+sqrtbeta) and (alpha-sqrtbeta) are the roots of the equation...

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  15. If a, b, c are in arithmetic progression, then the roots of the equati...

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  16. The quadratic equation 2x^2-(a^3+8a-1)x+a^2-4a=0 possesses roots of op...

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  17. A value of b for which the equations x^2+bx-1=0, x^2+x+b =0 have one r...

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  18. Let alpha and beta be the roots of the equation x^2-6x-2=0. If an=alph...

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  19. Let alpha,beta be real and z be a complex number. Ifz^2+alphaz+beta=0 ...

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  20. If sintheta and costheta are the roots of the equation ax^2-bx+c=0, th...

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