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• # IMAT 2015 Q53 Physics and Mathematics

• ### Nicolas Sanchez

June 22, 2021 at 5:09 am 1023 Replies 201950 XP
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Given that 2 logbase10(x) – 3 = logbase10 (y)

Express y in terms of x.

A. y = (x^2)/1000

B. y = (2x)/1000

C. y = (x^2)/3

D. y = (x^2) – 3

E. y = (2x)/3

[See below for original question format]

• ### MANISH MULCHANDANI

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July 29, 2021 at 10:35 pm 1012 Replies 87596 XP
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For this question, you should remember the formulae of Logs, that is- (All have base 10)

b log(a)= log(a)^b

log a – log b = log(a/b)

log a= x => a= 10^x

Put the values and you will get the required solution.

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