1. liczba jest rowna: a) 0,2 b)-2 c) 5 d)
49 ^ (-log₇√5) = 7² ^ (-log₇√5) =(7^(-log₇√5)²) =√5⁻²=(1/√5)² = 1/25
49 ^ (-log₇√5) = 7² ^ (-log₇√5) =(7^(-log₇√5)²) =√5⁻²= (1/√5)² = 1/25
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49 ^ (-log₇√5) = 7² ^ (-log₇√5) =(7^(-log₇√5)²) =√5⁻²=(1/√5)² = 1/25
49 ^ (-log₇√5) = 7² ^ (-log₇√5) =(7^(-log₇√5)²) =√5⁻²= (1/√5)² = 1/25