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If two circles passing through the point (0,a) and (0,-a),cut each other orthogonally and touch the straight ine y=mx+c then------- Prove---c2=a2(2+m2) ...
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An ellipse is described using an endless string which is passed over two pins.If the axes are 6 cm and 4 cm,the necessary length of the string and distance between them in cm are ??? Ans.6,2 5 ...
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*Image* Questions are from HCV ...
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*Image* Questions are from HCV ...
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Value of k for which kx2 - 2kx + 3x - 6 is positive for exactly two integral values of x is.................. ...
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Value of k for which kx2 - 2kx + 3x - 6 is positive for exactly two integral values of x is.................. ...
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*Image* Sorry ,name of heading misprinted ...
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*Image* Sorry ,name of heading misprinted ...
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Find the modulus and argument of the complex number z1=z2-z if z=cos θ + i sin θ ...
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Prove that one of the lines represented by ax3+bx2y+cxy2+dy3=0 will bisect the angles between the other two if (3a+c)2(bc+2cd-3ad)=(b+3d)2(bc+2ab-3ad) Source: SL Loney ...
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Let there be a rod of length l(in a horizontal plane).End B is given a velocity 3m/s at an angle of 60 degrees in horizontal plane(+ve direction). What is he minimum velocity of end A? Ans.1.5 m/s Please provide an explanatio ...
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The spin only magnetic moment value( in Bohr Magneton units ) of Cr(CO)6 is A) 0 B) 2.84 C) 4.90 D) 5.92 ( ANSWER THE QUESTION WITH EXPLANATION ) ...
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1.If z=reitheta,then modulus of eiz=? Ans.e-rsin theta ...
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*Image* A SQUARE PACKAGE OF SIDE a AND MASS m MOVES DOWN A CONVEYOR BELT A WITH A CONSTANT VELOCITY V1. AT THE END OF THE CONVEYOR BELT,THE CORNER OF THE PACKAGE STRIKES A RIGID SUPPORT AT B.ASSUMING THE IMPACT IS PERFECTLY E ...
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If the circles x2+y2+2x+2ky+6=0 and x2+y2+2ky+k=0 intersect orthogonally , then k is a)2 or -3/2 b)-2 or -3/2 c)2 or 3/2 d) -2 or 3/2 .........what is meant by "circles intersect orthogonally".Plz show with a diagram. ...
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prove that teh lines represented by ax^3+bx^2y+cxy^2+dy^3=0 will bisect teh angles between teh oder two if (3a+c)^2(bc+2cd-3ad)=(b+3d)^2(bc+2ab-3ad) dbt ...
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Why does not a ray get reflected in the same path of incident ray?(ie trace its original path) Both the laws of reflection holds true ,i.e.they lie in the same plane and angle i =angle r.......... ...
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How to find the square root of 1- i ? ...
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A block of mass m and a pan of equal mass are connected by a string going over a smooth light pulley. Initially the system is at rest when a particle of mass m falls on the pan and sticks to it. If the particle strikes the pa ...
