Find the range of `(t+(1)/(t))`

If s=(t^(3))/(3)-(1)/(2)t^(2)-6t+5 , Find the value of (d^(2)s)/(dt^(2)) at t=1

Find the value of ln(int_(0)^(1) e^(t^(2)+t)(2t^(2)+t+1)dt)

Find the range of values of t for which 2sint=(1-2x+5x^2)/(3x^2-2x-1)

If int_0^1(e^t)/(1+t)dt=a , then find the value of int_0^1(e^t)/((1+t)^2)dt in terms of a .

Find the derivative of y=(t^2-1)/(t^2+1) .

Find the derivative of y=(t^2-1)/(t^2+1) .

If x=asin2t(1+cos2t) and y=bcos2t(1-cos2t), find the values of (dy)/(dx) at t=pi/4 and t=pi/3dot

find the range of values of t for which 2sint=(1-2x+5x^2)/(3x^2-2x-1)

Two projectiles are thrown same speed in such a way that their ranges are equal. If the time of flights for the two projectiles are t_(1) and t_(2) the value of 't_(1)t_(2)' in terms of range 'R' and 'g' is

Two projectiles are thrown same speed in such a way that their ranges are equal. If the time of flights for the two projectiles are t_(1) and t_(2) the value of 't_(1)t_(2)' in terms of range 'R' and 'g' is