If log10x - log10√x = 2logx10, then the possible value of x is given by
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x = 100 or 1/100 if log₁₀x - log₁₀√x = 2logₓ10
Step-by-step explanation:
log₁₀x - log₁₀√x = 2logₓ10
=> log₁₀x - log₁₀(x)^(1/2) = 2log₁₀10/log₁₀x
using logₐb = logₓb/logₓa
=> log₁₀x - (1/2) log₁₀x = 2log₁₀10/log₁₀x
using log aⁿ = n log a
=> 2log₁₀x - log₁₀x = 2* 2log₁₀10/log₁₀x
=> log₁₀x = 4 * 1 /log₁₀x
=> ( log₁₀x)² = 4
log₁₀x = ±2
=> x = 10⁺² or 10⁻²
=> x = 100 or 1/100
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