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The locus of the mid-points of the chord...

The locus of the mid-points of the chords of the circle `x^(2)+y^(2)+2x-2y-2=0` which make an angle of `90^(@)` at the centre is

A

`x^(2)+y^(2)-2x-2y=0`

B

`x^(2)+y^(2)-2x+2y=0`

C

`x^(2)+y^(2)+2x-2y=0`

D

`x^(2)+y^(2)+2x-2y-1=0`

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2017-Multiple Choice Questions
  1. Let d(1) and d(2) be the lengths of the perpendiculars drawn from any ...

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  2. The common chord of the circles x^(2)+y^(2)-4x-4y=0 and 2x^(2)+2y^(2)=...

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  3. The locus of the mid-points of the chords of the circle x^(2)+y^(2)+2x...

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  4. Let P be the foot of the perpendicular from focus S of hyperbola (x^(2...

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  5. B is an extremity of the minor axis of an ellipse whose foci are S and...

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  6. The axis of the parabola x^(2)+2xy+y^(2)-5x+5y-5=0 is

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  7. The line segment joining the foci of the hyperbola x^(2)-y^(2)+1=0 is ...

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  8. The equation of the plane through (1,2,-3) and (2,-2,1) and parallel t...

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  9. Three lines are drawn from the origin O with direction cosines proport...

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  10. Consider the non-constant differentiable function f of the one variabl...

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  11. If f(x)=log(5)log(3)x, then f'(e ) is equal to

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  12. Let F(x)=e^(x),G(x)=e^(-x) and H(x)=G(F(x)), where x is a real variabl...

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  13. If f''(0)=k,kne0 then the value of lim(xrarr0)(2f(x)-3f(2x)+f(4x))/(x^...

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  14. If y=e^(msin^(-1)x), then (1-x^(2))(d^(2)y)/(dx^(2))-x(dy)/(dx)-ky=0. ...

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  15. The chord of the curve y=x^(2)+2ax+b. Joining the points where x=alpha...

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  16. Let f(x)=x^(13)+x^(11)+x^(9)+x^(7)+x^(5)+x^(3)+x+19. Then f(x)=0 has

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  17. Let f(x)={{:(x^(p)/((sinx)^(q))" , if "0ltxle(x)/(2)),(" 0 ,...

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  18. lim(xrarr0)(sinx)^(2tanx)

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  19. intcos(logx)dx=F(x)+c, where c is an arbitrary constant. Here F(x) =

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  20. int(x^(2)-1)/(x^(4)+3x^(2)+1)dx(xgt0) is

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