Which of the following is independent of `alpha` in the hyperbola `(0 < alpha

Which of the following is/are independent of path?

Of which of the following is g independent ?

Which one of the following is independent of (0 lt alpha lt pi//2) for the hyperbola (x^(2))/(cos^(2) alpha)-(y^(2))/(sin^(2)alpha)=1

Which of the following is independent of testosterone?