Compute N(0) if r(t)= and prove that T(0) and N(0) are orthogonal

Exercise 1- Determine which of the following functions are analytic: 2 2 d- x²+iy², b = 2xy + i(x²y²) 1 d= (2-1)(2+1) x-iy x²+y2 E- Sinx coshy+icosx sinhy C- )

In (secx) a) | sec2t dt + cot x

Find the derivative of the vector function