Question

What is the answer?
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Answer 1

Step-by-step explanation:

from the given information

b=a2/3

c=a1/2d=a2/5+log

log base a bcd =

log base a b+log base a c + log base a d

log base a bcd =

log a a2/3+log base a a 1/2 +log base a a 2/5

=2/3+1/2+2/5.............[log base a a power of m =m log base a a

=10(2)+15(1)+2(6)/30=47/30

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