Find the local maximum and local minimum values of the function y=x^x
Minima=(e)-1/e
Maxima=no maxima.
if sinA and cosA are the roots of the eq ax^2 +bx +c =0, then
1) (a-c)^2+c^2=b^2
2) (a-c)^2-c^2=b^2
3) (a+c)^2+c^2=b^2
4) (a-c)^2-c^2=b^2