Find dy/dx for a & b
a) sin x+cos y=1
b) cos x^2 = xe^y
c)Let f(x) = 5 /2 x^2 ? e^x . Find the value of x for which thesecond derivative f'' (x) equals zero.
d) For what value of the constant c is the function f continuouson (??,?)?
f(x) = {cx^2 + 2x, x < 2 ,
2x + 4, x ? 2}
