iflog (a+b/2)=1/2 (loga+logb)then=
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QUESTION:
If log(a + b/2) = 1/2[log(a)+log(b)] then prove that a=b
USED FORMULAS:
log(a) + log(b) = log(ab)
2 log(a) = log(a)²
(a - b)² = a² + b² - 2ab
(a + b)² = a² + b² + 2ab
ANSWER:
Taking RHS
We know that power 1/2 equal square root
Now,
Logarithms get cancelled
Hence proved
CONCEPT USED:
⟩⟩ Logarithms
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