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28 December, 08:59

Solve 4 ln x=2ln25

A) x=5

B) x=25

C) x=625

+5
Answers (2)
  1. 28 December, 09:06
    0
    the answer is A x=5

    Step-by-step explanation:

    the answer to the second part is B x=6
  2. 28 December, 09:24
    0
    A) x=5

    Step-by-step explanation:

    4 ln x=2ln25

    Replace 25 with 5^2

    4 ln x=2ln (5^2)

    We know that ln a^b = b ln a

    4 ln x = 2 2ln 5

    4 ln x = 4 ln 5

    Divide by 4

    4/4 ln x = 4/4 ln 5

    ln x = ln 5

    x = 5
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