Question
If log10 5 + log10 (5x + 1) = log10 (x + 5) + 1, then x is equal to:
Answer: Option B
Was this answer helpful ?
log10 5 + log10 (5x + 1) = log10 (x + 5) + 1
log10 5 + log10 (5x + 1) = log10 (x + 5) + log10 10
log10 [5 (5x + 1)] = log10 [10(x + 5)]
5(5x + 1) = 10(x + 5)
5x + 1 = 2x + 10
3x = 9
x = 3.
Was this answer helpful ?
More Questions on This Topic :
Question 4. If ax = by, then:....
Question 6. The value of log2 16 is:....
Question 9. **Hidden Equation** is equal to:....
Question 10. If log 27 = 1.431, then the value of log 9 is:....
Submit Solution