I ...... my felicitations to all officers and ranks of the National Disaster Relief Force and their families on the occasion of its Raising Day.
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Find the locus of appoint which moves such that the sum of the squares of its distance from the points A(1,2,3),B(2,-3,5)a n dC(0,7,4)i s120.

Find the locus of appoint which moves such that the sum of the squares of its distance from the points A(1,2,3),B(2,-3,5)a n dC(0,7,4)i s120.

Find the locus of appoint which moves such that the sum of the squares of its distance from the points A(1,2,3),B(2,-3,5)a n dC(0,7,4)i s120.

The following frequency distribution shows the number of cars owned by the 20 families on Pearl Street . {:(x,"The number of families having x number of cars"),(1,2),(2,2),(3,a),(4,4),(5,5),(6,2):} What is the probability that a family randomly selected from the street has at least 4 cars?

A body of mass 1kg is moving according to the law x(t)=(5t+4t^(2)+6t^(3))m . The force acting on the body at time t=2s is

Four spheres A, B, C and D of different metals but all same radius are kept at same temperature. The ratio all their densities and specific heats are 2:3:5:1 and 3:6:2:4 . Which sphere will show the fastest rate all cooling (initially) (assume black body radiation for all of them)