Mathematics
Senior High
どのように積分しているのか、途中式を教えてほしいです！
dx
(1)
=2t²,
dy
=2t
dt
dt
よって
dt
L={{√(21³ +(217 dt =[[21√/+1d!
シ
0
2
3
√(1² + 1) ³] 1
-312√2-11
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