Questions asked by Gri4
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Find the center and foci of ?
9x²+4y²-36x+24y+36=0
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Find the centre,vertices foci,lengths of latera recta and the eccencivity of ellipse whose equation is?
49x²+144y²-196x-720y-668=0
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After 2 seconds of flight,the velocity of a projectile is (12i-4j)m/s,Find its speed and elevation at moment of projection?
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A particle of mass 10kg is suspended by two strings that make an angle of 30° and 45° respectively with the horizontal. Find tensions in the strings?