Seudónimo Seudónimo

09-08-2021
Mathematics

contestada

log, (x + y)=log, y, log, x .
Solve for question D only

log x ylog y log x Solve for question D only class=

Respuesta :

cwrw238 cwrw238

09-08-2021

Answer:

4.

Step-by-step explanation:

Change of base formula is

logb x = loga x / loga b

So logx 25 = log5 25 /log5 x

Now log5 25 = log5 5^2 = 2, so:

logx 25 = 2 / log5 x

So log5 x^2 * logx 25

= log5 x^2 * 2 /log5 x

= 2 log5 x * 2 / log5 x

= 4.

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