Question

log 2 base 10
+
log 5
base 10

​

Answer 1

we know that

log (ab) = log a + log b

where base of log is same for log a ,log b ,logab

log_{10}(2) + log_{10}(5) = log_{10}(10)log

10

(2)+log

10

(5)=log

10

(10)

we know that log 10 where base is 10 is 1

then ,.yr answer is 1

Answer 2

$log_{10}(2) + log_{10}(5) =$

by formula logxy =logx+logy

$log_{10}(5 \times 2) \\ log_{10}(10)$

=1

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