log4 b = x
How to find logarithm log4 b = x?
log4 b is logarithm of b to base 4
x is the exponent to which you need to raise base 4 to get b.
log4 b = x ⇔ 4x = b
Symbol: log 4 b = log 4 (b) = log (b, 4)
Examples:
log 4 16 = x ⇔ 4x = 16 ⇒ x = 2
log 4 64 = x ⇔ 4x = 64 ⇒ x = 3
log 4 256 = x ⇔ 4x = 256 ⇒ x = 4