Mathematics
Senior High
Resolved
波線のところからよく分からないです。
解説よろしくお願いします🙇♀️
431 次の等式を満たす関数 f(x) を求めよ。
(1)* f(x)=x+² f(t)e'dt
So fit) et de = a
↑
f(x)
= i + a
a= S₁ (t+a) et de
[t+a) et] -f etdt.
(2 + a)e² _a - [et]
= (e²-1)
(e²-1) α + e²71
a - (e ²-1) α = e²+ |
a
a(e² + ²)
e²+1
e²+1
a
2-e²
ett
f(x) = 2 + 2 = 11
2-e²
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