log3 b = x
How to find logarithm log3 b = x?
log3 b is logarithm of b to base 3
x is the exponent to which you need to raise base 3 to get b.
log3 b = x ⇔ 3x = b
Symbol: log 3 b = log 3 (b) = log (b, 3)
Examples:
log 3 9 = x ⇔ 3x = 9 ⇒ x = 2
log 3 27 = x ⇔ 3x = 27 ⇒ x = 3
log 3 81 = x ⇔ 3x = 81 ⇒ x = 4