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Question

log₄₉7-log₈64

Answer 1

Let x = log₄₉ 7

Let y = log₈64      Change both to exponential form.

49^x = 7

49^1/2 = 7

x = 1/2

 

8^y = 64

8² = 64

y = 2

1/2 - 2 = -1 1/2