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problem no. of i e irodov -3.144 *Image* this problem is also in hc verma solved examples last question but the answer is different in hcv in hcv it is solved by force method i tried it by energy using energy of capacitor ini ...
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A point moves such that the sum of the squares of its distances from two intersecting straight lines is constant. a)identify which conic it is b)find the eccentricity of the conic in terms of the angle between the straight li ...
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show thet the length of the radius vector of the ellipse x2/a2 + y2/b2 =1 drawn in the direction making an angle θ with the positive directtion of x-axis is √( a2b2/b2cos2θ+a2sinθ ) Also show that the sum of the reciproc ...
