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Sum of roots of the equation `x^2-2x^2sin^2(pix)/2+1=0` is `0` (b) 2 (c) 1 (d) 3

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RESONANCE DPP ENGLISH-JEE MAINS-All Questions
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  2. Find the equation of the bisector of the angle between the lines x+ 2...

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  3. Sum of roots of the equation x^2-2x^2sin^2(pix)/2+1=0 is 0 (b) 2 (...

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  4. DeltaABC is formed by the lines 2x-3y-6=0, 3x-y+3=0 and 3x+4y-12=0. If...

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  5. If the tangent at a point P with parameter t, on the curve x=4t^2+3, y...

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  6. The lines 3x+4y=9&4x-3y+12=0 intersect at Pdot The first line intersec...

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  7. If sum of the roots of the quadratic equation, a x^2+b x+c=0 is 12 , ...

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  8. If y= ln 5 (ln 7 x),then (dy)/(dx) =

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  9. The equation of the base of an equilateral triangle is x+y-2=0 and the...

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  10. The radius of a right circular cylinder increases at a constant rate. ...

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  11. If (x1-x2)^2+(y1-y2)^2=144 ,(x2-x3)^2+(y2-y3)^2=25 and (x3-x1)^2+(y3-y...

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  12. A circle with center in the first quadrant is tangent to y = x+10, y =...

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  13. If A , B , C , D are the angles of a quadrilateral, then (tanA+tanB+...

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  16. If f is real-valued differentiable function such that f(x)f'(x)<0 for...

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  17. Let the equations x^(3)+2x^(2)+px+q=0and x^(3)+x^(2)+px+r=0 have two t...

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  18. Total number of values of ' x ' satisfying the equation, 2^(cos^2x-1)=...

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  19. If a vector vecr of magnitude 3sqrt6 is directed along the bisector of...

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