Simplify `(t+s^2)(t^2-s)`

Simplify (25 xx t^-4)/ (5^-3 xx10xx t^-8) (t ne! 0)

A particle moves in a straight line such that its displacement is s^(2)=t^(2)+1 Find. (ii) acceleration as a function of 's'

A particle moves in a straight line such that its displacement is s^(2)=t^(2)+1 Find. (i) velocity

If x = (2t)/(1+t^(2)), y = (1-t^(2))/(1+t^(2)) then dy/dx =

Write the degree of the differential equation ((d^(2)s)/(d t^(2))) + ((d^(3)s)/(d t))^(3) + 4 = 0 .

If x = (1-t^(2))/(1+t^(2)) and y = (2t)/(1+t^(2)) then dy/dx =