Self Studies

Differentiation...

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    A stone, thrown vertically upward from the surface of the moon at a velocity of 24 m/sec reaches a height of s = 24 t — O.8t2 metre after t second. The acceleration due to gravity in m/sec2 at the surface of the moon is

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    On dropping a stone in stationary water circular ripples are observed. Rate of flow of ripples if 6 cm/sec. When radius of the circle is 10 cm, then fluid rate of increase in its area is

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    For the curve yn = an - 1x, the subnormal at any point is constant. The value of n must be

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    The abscissae of the points of curve y = x(x –2) (x – 4) : where tangents are parallel to x-axis is obtained as

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    The length of sub-tangent to the curve x2y2 = a4 at the point (—a, a) is

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    he triangle formed by the tangent to the curve f(x) = x2 + bx – b at the point (1, 1) and the co-ordinate axes, lies in the first quad rant. If its area is 2 then the value of b i

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