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If the coordinates of one end of a diame...

If the coordinates of one end of a diameter of the circle `x^(2) + y^(2) + 4x-8y + 5=0` is (2,1), the coordinates of ihe other end is

A

`(-6,-7)`

B

`(6,7)`

C

`(-6,7)`

D

`(7,-6)`

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2011-MULTIPLE CHOICE QUESTIONS
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  2. The intercept oil the line y = x by the circle x^2 + y^2 - 2x = 0 is A...

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  3. If the coordinates of one end of a diameter of the circle x^(2) + y^(2...

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  4. If the three points A(1,6), B(3,-4) and C(x,y) collinear then the equ...

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  5. If sin theta = (2t)/(1+t^(2)) and theta lies in the second quadrant, t...

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  6. The solution set of the inequation cos^(-1)x lt sin^(-1)x is:

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  7. The number of solutions of 2 sinx + cosx =3 is:

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  8. Let tan alpha = a/(a+1) and tan beta =1/(2a +1), then alpha + beta is:

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  9. If theta + phi =pi//4, then (1+tan theta)(1+tan phi) is equal to:

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  10. If sin theta and cos theta are the roots of the equation ax^2 - bx +...

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  11. If A and B are two matrices such that A + B and AB are both defined, t...

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  12. If A=[{:(3,x-1),(2x+3, x+2):}] is a symmetric matrix, then the value o...

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  13. If Z=|{:(1,1+2i , 5i),(1-2i, -3, 5+3i),(5i, 5-3i, 7):}|, then (i =sqrt...

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  14. The equation of the locus of the point of intersection of the straight...

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  15. If sin theta + cos theta=0 and 0 lt theta lt pi, then theta=

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  16. The value of cos 15^(@) - sin 15^(@) is:

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  17. the period of the function f(x) = cos 4x + tan 3x is:

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  18. If y=2x^(3) - 2x^(2) + 3x-5, then for x=2 and Deltax =0.1, the value o...

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  19. The approximate value of root(5)(33) correct to 4 decimal places is

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  20. The value of int(-2)^(2) (x cos x + sin x+1) dx is :

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