✨ Best Answer ✨
曲線の長さL は L = ∫√{1+(y')²}dx
y'=2・3/2・x¹ᐟ² = 3x¹ᐟ²
L
= ∫√(1+9x)dx
= 2/3・1/9・(1+9x)³ᐟ²
=2/27・(1+9x)³ᐟ² 積分区間[0→1]
=2/27・(10³ᐟ²-1)
✨ Best Answer ✨
曲線の長さL は L = ∫√{1+(y')²}dx
y'=2・3/2・x¹ᐟ² = 3x¹ᐟ²
L
= ∫√(1+9x)dx
= 2/3・1/9・(1+9x)³ᐟ²
=2/27・(1+9x)³ᐟ² 積分区間[0→1]
=2/27・(10³ᐟ²-1)
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