Architecture
°ÇÃà Architecture


ȸÀüüÀÇ Ã¼Àû, y=x^(1/2) °ú y=x^n ÀÌ ÀÌ·ç´Â ¸éÀûÀ» x=-a ÃàÀ¸·Î ȸÀü

ÀÛ¼ºÀÚ Uploader : chocopi ÀÛ¼ºÀÏ Upload Date: 2019-09-22º¯°æÀÏ Update Date: 2019-09-22Á¶È¸¼ö View : 378

±×¸²°ú °°ÀÌ y=x^(1/2) °ú y=x^n Àº x=0, x=1 ¿¡¼­ ¸¸³­´Ù.

µÎ °î¼±À¸·Î ÀÌ·ç¾îÁø ºÎºÐÀÇ ¸éÀûÀ» x=-a ¸¦ ÃàÀ¸·Î ȸÀü½ÃŲ ȸÀüüÀÇ Ã¼ÀûÀ» ±¸ÇÑ´Ù.

±¸°£ 0 ¡Â x ¡Â 1 ¿¡¼­ ÀûºÐÇÑ´Ù.

V = 2¥ð ¡ò R*H dx

 = 2¥ð ¡ò (x+a)*(x^(1/2) - x^n) dx

 = 2¥ð ¡ò x^(3/2) + a*x^(1/2) - x^(n+1) - a*x^n dx

 = 2¥ð[(2/5)*x^(5/2) + (2*a/3)*x^(3/2) - (1/(n+2))*x^(n+2) - (a/(n+1))*x^(n+1)]

 = 2¥ð(2/5 + 2*a/3 - 1/(n+2) - a/(n+1))



*** Âü°í¹®Çå[References] ***

V = 2*¥ð*(2/5 + 2*a/3 - 1/(n+2) - a/(n+1))
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