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NDA · Maths · Logarithms
NDA Logarithms — Formulas 1
Question
1
of 15
1.
Which is the defining equivalence of
log
a
N
=
x
\log_a N = x
lo
g
a
N
=
x
?
A
log
a
N
=
x
⟺
x
a
=
N
\log_a N = x \iff x^a = N
lo
g
a
N
=
x
⟺
x
a
=
N
B
log
a
N
=
x
⟺
a
x
=
N
;
\log_a N = x \iff a^x = N;
lo
g
a
N
=
x
⟺
a
x
=
N
;
C
log
a
N
=
x
⟺
N
x
=
a
\log_a N = x \iff N^x = a
lo
g
a
N
=
x
⟺
N
x
=
a
D
log
a
N
=
x
⟺
a
N
=
x
\log_a N = x \iff a^N = x
lo
g
a
N
=
x
⟺
a
N
=
x
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