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@ circles are drawn thru the pts(a,5a) and (4a,a) to touch y axis.Prove that they intersect at tan-1(40/9) ...
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solve (x+3)4+(x+5)4≥4 ...
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Two straight lines 3x + 4y = 5 and 4x – 3y = 15 intersect at point A. Points B and C are chosen on these two lines such that AB = AC then the equation of the line BC passing through (1, 2) with negative slope is ...
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Two identical circular loops of metal wire are lying on a table without touching each other. Loop A carries a current which increases with time. In response the loop B ...
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how many quadrilaterals can be made by joining the vertices of convex polygon of 20 sides so that the quadrilateral do not have any side common with sides of the polygon? Ans-4825 ...