TRUE OR FALSE? If A and B are orthogonal nxn matrices such that detA = detB = 1, then matrices A and B must commute.

L27 - 6 Indeterminate Products (0 ·∞ ) ex. Evaluate: ▯ ▯ ▯ ▯ m limi 1 · x = l 1· x = x→0 x x→0 x Ifx→amf(x)=0ndl x→ag(x)= ±∞,h owoﬁd limf(x)g(x) x→a Rewrite as ex. Find x→0+x ln(x)