# Logarithm

Prove that:

log base 16 (XY) = 1/2 log base 4 (X) + 1/2 log base 4 (Y)

Include the logarithmic rules used to prove the statement.

[email_link] http://solvemaths.in/logarithm/AptitudeArithmeticContestProve that:
log base 16 (XY) = 1/2 log base 4 (X) + 1/2 log base 4 (Y)
Include the logarithmic rules used to prove the statement.

Rajni
Sahsah.rajni@yahoo.comAdministratorSOLVE - ΜΔΓΗŠ
Logarithm Base change rule:

https://www.khanacademy.org/math/algebra2/exponential-and-logarithmic-functions/change-of-base-formula-for-logarithms/a/logarithm-change-of-base-rule-intro

Logarithm general rules:

https://www.chilimath.com/lessons/advanced-algebra/logarithm-rules/