Grade 9Algebra
if log{(a+b)/2}=1/2(loga + log b)prove that a=bplease provide me with a solution
if log{(a+b)/2}=1/2(loga + log b)
prove that a=b
please provide me with a solution
1 Answer
Arun
log{(a+b)/2}=1/2 log(ab)
=log(ab)1/2
(a+b)/2= (ab)1/2
a+b=2(ab)1/2
(va)2 +(vb )2-2vavb=0
(va -vb)2=0
va-vb=0
va=vb
a=b
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