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If a B + B Log a - 1 = 0, Then Prove that Ba.Ab = 10 - Mathematics

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Question

If a   b + b log  a - 1 = 0, then prove that ba.ab = 10

Sum

Solution

Given alogb + bloga - 1 = 0
⇒ log(b)a + log(a)b - log10 = 0
⇒ log(ba . ab) = log 10
∴ ba . ab = 10.

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More About Logarithm
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Chapter 10: Logarithms - Exercise 10.2

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Frank Mathematics [English] Class 9 ICSE
Chapter 10 Logarithms
Exercise 10.2 | Q 37
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