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The minimum distance of the centre of the ellipse x2/16 + y2/9 = 1 from the chord of contact of mutually perpendicular tangents of the ellipse is????? ...
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The long straight wire carrying a constant current 'i' is placed distance 'd' above a metal bar of length 'l' which is moving at constant velocity V in the horizontal direction .Calculate the E.M.F induced in the bar? ...
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1. ∫ (cos 5x +cos 4x) / (1- 2 cos 3x ) dx 2. ∫ ( cos3 x ) . x. elog(sin x) .dx 3. ∫ ( x + ( x 2 ) + 2. x1/6 ) / [ x. { 1+ x } ] ...
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*Image* Find the foce of attraction between the 2 charges??????? ...
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*Image* ...
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*Image* ...
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Find the greatest integer k for which 1991^k divides 1990^1991^1992 + 1992^1991^1990 ...