1) 3/7 (log6(2) + log6(3) + 2^(log2(4))^2 log5(7)) = 3/7 (log6(2) + log6(3) + 2^(2)^2 log5(7))= 3/7 (log6(2) + log6(3) + 4 log5(7))= 3/7 (log2(2) / log2(6) + log2(3) / log2(6) + 4 log2(7) / log2(5))= 3/7 (1 / log2(6) + log2(3) / log2(6) + 4 log2(7) / log2(5))
2) log2(7) - log2(7/16) = log2(7 * 16) - log2(7) = log2(112) - log2(7) = log2(112/7) = log2(16) = 4
1) 3/7 (log6(2) + log6(3) + 2^(log2(4))^2 log5(7)) = 3/7 (log6(2) + log6(3) + 2^(2)^2 log5(7))
= 3/7 (log6(2) + log6(3) + 4 log5(7))
= 3/7 (log2(2) / log2(6) + log2(3) / log2(6) + 4 log2(7) / log2(5))
= 3/7 (1 / log2(6) + log2(3) / log2(6) + 4 log2(7) / log2(5))
2) log2(7) - log2(7/16) = log2(7 * 16) - log2(7) = log2(112) - log2(7) = log2(112/7) = log2(16) = 4