Question

Rewrite the expression 1/3[ln x – 2ln(1 – x)] as a single logarithm.

Answer 1

1/3[ln x-2 ln(1-x)]
=1/3[ln x-ln (1-x)^2]
=1/3[ln{x/(1-x)^2}]
=Ln[x/(1-x)^2]^1/3

Answer 2

4^2=16
5^2=25
irrational numbers between 4 &5 are sqrt17,sqrt18,sqrt19,sqrt20,..........