The differential equation for the family of curve x2 + y2 - 2ay = 0, where a is an arbitrary constant, is
2(x2 - y2)y' = xy
2(x2 + y2)y' = xy
(x2 - y2)y' = 2xy
(x2 + y2)y' = 2xy
The solution of the differential equation ydx + (x + x2y)dy = 0 is
C.
The mean and variance ofa random variable X having a binomial distribution are 4 and 2 respectively, then P(X = 1) is
The value of f(x) is given only at x = 0, wich of the following can be used to evaluate approximately
Trapezoidal rule
Simpson's rule
Trapezoidal as well as Simpson's rule
None of the above