Prove that, logₐ(x/y)=logₐx-logₐy
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Answer:
Proof :
step 1:
Let m = loga x and n = loga y
step 2: Write in exponent form
x = am and y = an
step 3: Divide x by y
x ÷ y = am ÷ an = am - n
step 4; Take log a of both sides and evaluate
log a (x ÷ y) = log a am - n
log a (x ÷ y) = (m - n) log a a
log a (x ÷ y) = m - n
log a (x ÷ y) = loga x - loga y
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