Question

a) log p 5= 4 b) –log 7125= B c) log 3/5 30 = 40

Answer 1

Resolver:

a) ㏒ₐ 5 = 4

b) –㏒7125 = B

c) ㏒ 3/5×30 = 40

Hola!!!

a)

㏒ₐ 5 = 4   ⇔ a⁴ = 5

Resuelvo aplicando raíz cuarta:  a = √⁴5

a = 1,495

b)

–㏒7125 = B  ⇒

B = -3,852

c)

㏒ 3/5×30 = 40

㏒ 18 - 40 = -38,74

Saludos!!!