Question

81^(logз 4√5) - 2^l(og1/2 5)

Answer 1

$(3^4) ^{log(3)4 sqrt{5} } -((1/2) ^{-1} ) ^{log(1/2)5} =$$3 ^{4log(3)4 sqrt{5} } -(1/2) ^{-log(1/2)5} =$$3 ^{log(3)6400} -(1/2) ^{log(1/2)(0,2} =6400-0,2=6399,8$