x^2 = y ... y is a variable, not a constant like 4 ... different rules apply a^y = b^x a = b^(x/y) until you know a number value for b and y (which has become a root) we don 't know if the answer is pos, neg, or imaginary.

2 Answers · Education & Reference · 30/03/2020

... + Fr = mh''. Use the correct signs for the

**LHS**terms. Fg is a constant [which one?]. Note that h'...1 Answers · Science & Mathematics · 28/02/2020