Write the sum as the logarithm of a single number. log ˯5 (7) +log˯5 (3)

asked Mar 26, 2015 79.9k views

3 votes

Write the sum as the logarithm of a single number.
log ˯5 (7) +log˯5 (3)

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1 vote

log. 5 (7) + log.5 (3) = log. 5 (7*3)=log. 5 (21)
the formula is
log. a (x) + log. a (y)= log.a (x*y)

Rokin answered Mar 27, 2015

by Rokin

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6 votes

$Use:log_ab+log_ac=log_a(b+c)\\\\=================================\\\\log_57+log_53=log_5(7+3)=log_510$

Dhara answered Apr 2, 2015

by Dhara

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