loga (ab) = c হলে logb a = ?

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A

1

B

1/c

C

1/(c + 1)

D

1/(c - 1)

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প্রশ্ন: loga (ab) = c হলে logb a = ?

সমাধান:
দেওয়া আছে,
loga (ab) = c
⇒ loga a + loga b = c
⇒ 1 + loga b = c
⇒ logb = c - 1
⇒ 1/loga = c - 1
⇒ logb a = 1/(c - 1)

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Updated: 1 week ago

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