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Prove that from a point (a,b) of the circle x(x-a) + y(y-b) = 0, two chords, each bisected by the axis of x (rather x-axis), can be drawn if a2>8b2 [This is not my doubt, so provide complete solution for everyone's benefit ...
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Find the number of eight digit numbers in which the fifth digit is numerically greatest and the numbers to the left and right of it are in decreasing order (not strictly decreasing)... (repetition allowed)... ...
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*Image* ...
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Total no. of ways in which 256 identical balls can be placed in '16' numbered boxes (1,2,3,...16) such that rth box contains atleast 'r' balls is (1≤r≤16) ...
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*Image* solve Question no. 3... The spring attached to d vertex B has spring constant = K1 and the other one has K2 ... also, in all d four options, K2 follows K1... ...
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\sum_{n=1}^{2008}\frac{{\sqrt{n^{4}+2n^{3}+3n^{2}+2n+1}}}{n(n+1)} = A) 2008 + 2008/2009 B) 2007 + 2008/2009 C) 2008 + 2007/2009 D) 2008 + 2007/2008 ...
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If the greatest value of the term independent of x in expansion of (xsinp + x-1cosp)10 is achieved at P=θ... then the locus of point from which pair of tangents be drawn to x2+y2=4 including an angle θ is A) x2+y2= 4(4+2√ ...
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If inside a big circle exactly 24 small circles each of radius 2 can be drawn in such a way that each small circle touches the big circle and also touch both its adjacent small circles. Then the radius of the big circle is... ...
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Hyelo everyone... i juzz wanna know what topics are crucial from jee point of view to revise at dis peak tym... here is d list of all topics... juzz help me out in revising d most useful n important ones... GENERAL MOLE CONCE ...
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An unbiased die, with faces numbered 1,2,3,4,5,6 is thrown five times and list of five no.s showing up is noted, then... 1) The probability that among the no.s 1 to 6, only four no.s appear in d list is... a) 883/7776 b) 3600 ...
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With usual rotation, in any ΔABC which of the following is/are true...? a) Ex radius opposite to B, altitude through A, Ex radius opposite to C are in H.P. b) If the sines of angles A,B,C are in A.P. then the altitudes of th ...
