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If x + y = k is a normal to the parabo...

If x + y = k is a normal to the parabola ` y^(2) = 12x ` then the value of k is

A

3

B

-1

C

1

D

9

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SURA PUBLICATION-MODAL QUESTION PAPER-PART - IV
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  5. If z = x + iy and arg((z - i)/(z + 2))= (pi)/(4). Show that x^(2) + y^...

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  8. If cot^(-1)((1)/(7))=theta, find the value of costheta.

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  9. For the ellipse 4x^(2)+y^(2)+24x-2y+21=0, find the centre, vertices, a...

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  16. If z = x + iy and arg ((z-1)/(z+1))=pi/2, show that x^(2)+y^(2)-1=0.

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  17. Sketch the graph of sinx in [-pi/2,pi/2]andsin^(-1) in [-1, 1].

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  18. Find the equation of the ellipse whose eccentricity is 1/2, one of the...

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  19. A tunnel through a mountain for a four lane highway is to have a ell...

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