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Which of the following is/are correct?...

Which of the following is/are correct?

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RESONANCE DPP-JEE MAINS-All Questions
  1. Let the centre of the parallelepiped formed by vec P A= hat i+2 hat j...

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  2. (lim)(xvecoo)(30+4sqrt(x)+7x3)/(2+sqrt(4x-7)+6x-2 3)e q u a l s 15 (b...

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  3. Which of the following is/are correct?

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  4. If vec a and vec b are non-zero and non-collinear vectors, then ve...

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  5. Let A=Minimum(x^2-2x+7),x in R and B= Minimum(x^2-2x+7),x in [2,oo),...

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  6. If vec a , vec b , vec c , vec d are non-zero, non collinear vectors...

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  7. The lines L1: x-2y+6=0&L2: x-2y-9=0 are tangents to the same circle. I...

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  8. The solution set of x in (-pi,pi) for the inequality sin2x+1lt=cosx+2s...

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  9. Equation 12 x^4-56 x^3+89 x^2-56 x+12=0 has four real and distinct roo...

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  10. Equation x^2e^x=k has Three real solution if k in (0,4e^(-2)) Two rea...

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  11. If f is twice differentiable such that f^('')(x)=-f(x) and f^(prime)...

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  12. Equation (x+2)(x+3)(x+8)(x+12)=4x^2 has (A) four real and distinct roo...

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  13. Consider the function f(x)=m x^2+(2m-1)x+(m-2) If f(x)>0AAx in R the...

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  14. The least integral value of ' a ' for which the graphs y=2a x+1 and y=...

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  15. If the ratio of the roots of the equation, x^2+alphax+alpha+2=0 is equ...

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  16. If y^2=P(x) is a polynomial of degree 3, then 2(d/(dx))(y^3dot(d^2y)...

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  17. Let A=[(1,-1,1),(2,1,-3),(1,1,1)] and B=[(4,2,2),(-5,0,alpha),(1,-2,3)...

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  18. Equation of line B C is 14 x+23 y-40=0 (b) 4x-2y+1=0 4x+2y-1=0 (d) ...

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  19. The equation: (5+2sqrt(6))^x^(2-3)+(5-2sqrt(6))^x^(2-3)=10h a s Four ...

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  20. In a parallelogram as shown in the figure (a != b) : equation of the ...

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