Which of these is the correct formula for interest compounded
n
\displaystyle {n}
n
times per year?
A
(
t
)
=
P
(
r
n
+
1
)
n
t
\displaystyle {A}{\left({t}\right)}={P}{\left({\frac{{{r}}}{{{n}}}}+{1}\right)}^{{{n}{t}}}
A
(
t
)
=
P
(
n
r
+
1
)
n
t
A
(
t
)
=
P
(
r
n
+
1
)
−
n
t
\displaystyle {A}{\left({t}\right)}={P}{\left({\frac{{{r}}}{{{n}}}}+{1}\right)}^{{-{n}{t}}}
A
(
t
)
=
P
(
n
r
+
1
)
−
n
t
A
(
t
)
=
P
(
1
−
r
n
)
−
n
t
\displaystyle {A}{\left({t}\right)}={P}{\left({1}-{\frac{{{r}}}{{{n}}}}\right)}^{{-{n}{t}}}
A
(
t
)
=
P
(
1
−
n
r
)
−
n
t
A
(
t
)
=
P
(
1
−
r
n
)
n
t
\displaystyle {A}{\left({t}\right)}={P}{\left({1}-{\frac{{{r}}}{{{n}}}}\right)}^{{{n}{t}}}
A
(
t
)
=
P
(
1
−
n
r
)
n
t
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