Question 36197
USE FORMULAE
LOG(AB)=LOG(A)+LOG(B)
LOG(A/B)=LOG(A)-LOG(B)
LOG(X^N)=N*LOG(X)

Write each expression as a single logarithm.
a) 2log (base2) x - 4log (base2) y + 3log (base2)z
=LOG(X^2)-LOG(Y^4)+LOG(Z^3).....ALL LOGS TO BASE 2.
LOG{(X^2)*(Z^3)/(Y^4)} TO BASE 2.


b) 1/2 ln(x+3)- 2ln3x
=LN(X+3)^(1/2)-LN(3X)^2
=LN{(X+3)^(1/2)/(9X^2)}