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  1. If log5 (x2 + x) - log5 x = 2 then the value of x is ?
    1. 24
    2. 25
    3. 23
    4. 120
Correct Option: A

∵ log5[(x2 + x ) / x] = 2
⇒ log10(x + 1) = 2
⇒ x + 1 = 25
∴ x = 24


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