Functional Equation Summation (Jee Mains) | ExamDuo
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Arithmetic and Geometric Progression
Medium
Functional Equation Summation
Suppose that a function
f
:
R
→
R
satisfies
f
(
x
+
y
)
=
f
(
x
)
f
(
y
)
for all
x
,
y
∈
R
and
f
(
1
)
=
3
.
If
n
∑
i
=
1
f
(
i
)
=
363
,
then
n
is equal to
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