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प्रश्न
Find x, if : log432 = x - 4
बेरीज
उत्तर
Consider the equation
log432 = x - 4
⇒ 4x - 4 = 32
⇒ (22)x - 4 = 25
⇒ 22( x - 4 ) = 25
⇒ 2x - 8 = 5
⇒ 2x = 5 + 8
⇒ 2x = 13
⇒ x = `13/2`
⇒ x = `6 1/2`
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Interchanging Logarithmic and Exponential Forms
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