If log(x) + log(2) = 1, then x is?
- 1
- 3
- 5
- None of these
Explanation
Use log rule: log(a) + log(b) = log(ab)
So log(x) + log(2) = 1
→ log(2x) = 1
Assuming log = log₁₀:
log₁₀(2x) = 1 means 10¹ = 2x
→ 10 = 2x
→ x = 5
Check: log(5) + log(2) = log(10) = 1
Last verified on 08-06-2026
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- {1}
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