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Mathematics
Problem
For natural numbers
m
,
n
m, n
m
,
n
if
(
1
−
y
)
m
(
1
+
y
)
n
=
1
+
a
1
y
+
a
2
y
2
+
…
(1 - y)^m (1 + y)^n = 1 + a_1 y + a_2 y^2 + \dots
(
1
−
y
)
m
(
1
+
y
)
n
=
1
+
a
1
y
+
a
2
y
2
+
…
, and
a
1
=
a
2
=
10
a_1 = a_2 = 10
a
1
=
a
2
=
10
, then
(
m
,
n
)
(m, n)
(
m
,
n
)
is- (A) (45, 35) (B) (35, 45) (C) (20, 45) (D) (35, 20)
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