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viii) f( x) =((2x-1)/(x-1)) ...
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There are three coplanar parallel lines.If any p points are taken on each of the line,the maximum number of triangles with vertices at these points is a.3p2(p-1) b.3p2(p-1)+1 c.p2(4p-3) d.None of these ...
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no. of solns. of 2cos x =|sin x| in[-2Ï€,5Ï€] ...
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no. of solns. of 2cos x =|sin x| in[-2Ï€,5Ï€] ...
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If each pair of the following three equations x2+ax+b=0, x2+cx+d=0, x2+ex+f=0 has exactly one root in common,then show that (a+c+e)2=4(ac+ce+ea-b-d-f). ...
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Let x2/a2 + y2/b2 =1(a>b) be a given ellipse.Suppose an ellipse congruent to the given ellipse is drawn with the same centre and with the same axes such that it touches the given ellipse at the extremities of the major axi ...
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Find the equation of the largest circle with centre (1,0) that can be inscribed in the ellipse x2+4y2=16. ...
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The maximum value M of 3x+5x-9x+15x-25x,as x varies over reals,satisfies A.3<M<5 B.9<M<25 C.0<M<2 D.5<M<9 ...
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A filled water bottle is lying on the ground. You pick it up and put it on a table which is at some height from the ground. Thus the potential energy of the bottle increases. Does the internal energy of the water molecules in ...
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A sample contains both H3PO4 and HIO3 along with other unknown substances.10 g of sample required 85 ml of 0.15 N NaOH during titration with phenolphthalein as indicator.A separate 10 g sample required 66ml of 0.15 N NaOH dur ...
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\hspace{-16} $ Minimum value of $\bf{\left|z-1-i \right| + \left |z+2-3i \right| + \left |z+3+2i \right|}$\\\\\\ where $\bf{z = x+iy}$ and $\bf{i = \sqrt{-1}}$ ...
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1.A square is made by joining four rods each of mass M and length L.Its moment of inertia about an axis,in its plane and passing through one of its corner is (a)6ML2 (b) 4ML2/3 (c) 8ML2/3 (d) 10ML2/3 2.A thin rod of length 4l ...
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Masses of the pulley and thread are negligible C is the angle of inclination. What is the accn of Wedge? *Image* ...
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2 parallel st. lines are inclined to the horizontal at an angle α .A particle is projected from a point midway between them so as to graze one of the linesand strike the other at right angle .If θ be the nagle btwn directio ...
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In a H-atom the energy in the nth orbit is given as En = -13.6/n2 ev . Show that En+1 - En = -13.6*2/n3 for large n values How to solve?? ...
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a body is thrown vertically upwards. if air resistance is to be taken into account,then the time during which the body rises is a)equal to the time of fall b)less than the time of fall c)greater than the time of fall d)twice ...
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the new look looks gud! :D ...
