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Roots of the equation 3x^2 -6x+4=0 are ...

Roots of the equation `3x^2 -6x+4=0` are `alpha and beta ` then find the value of `alpha^3 +beta^3`

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CHHAYA PUBLICATION-MCQ ZONE -Question Paper 7
  1. If n and p are two parameters of Binomial Distribution and its varian...

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  2. 5 unbiased coins are tossed at random. The probability of getting at l...

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  3. Roots of the equation 3x^2 -6x+4=0 are alpha and beta then find the ...

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  4. The angle between the normals to the planes x-y+2z=8 and 2x+y+z=12 is...

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  5. The acute angle between the normals to the planes the points (3, 2, 3...

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  6. If the lines (x-1)/(2)=(y-2)/(3)=(z-3)/(4) and (x-4)/(5)=(y-1)/(2)=(z-...

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  7. The equation of the line passing through the point (2, -3, 1) and para...

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  8. If the straight line joining the points (4, -3, 2) and (3, -1, 5) is p...

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  9. If veca=hati-2hatj+3hatk and vecb=-2hati+hatj-2hatk, then the value o...

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  10. A unit vector perpendicular to both the vectors hati+hatj and hatj+hat...

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  11. If the vectors vec alpha=hati+3hatj+hatk, vec beta=2hati-hatj-hatk an...

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  12. If |veca xx vecb|^2+(veca*vecb)^(2)=196 and |vecb|=2, then the value o...

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  13. If e^(y)+xy=e^(2) then the value of (d^(2)y)/(dx^(2)) at x=0 is -

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  14. Derivative of sin^(-1)x w.r.t. cos^(-1) sqrt(1-x^(2)) is -

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  15. If x=a(theta+sin theta), y=a(1-cos theta), then the value of (dy)/(d...

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  16. The equation ax^(2)+bx+c=0 has one real root between 0 and k. If 4a...

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  17. If lim(x to oo) [ (x^(3)+1)/(x^(2)+1)-(ax+b)]=2, then the values of a ...

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  18. Let f(x) be continuous in (-oo, oo) and f'(x) exists in (-oo, oo). If...

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  19. The value of lim(x to 0) (1-3x)^((3)/(x)) is equal to -

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  20. If y=2sin^(- 1)((x-2)/sqrt(6))-sqrt(2+4x-x^2) then prove that dy/dx at...

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