匿名用户 2021-12-24 20:53 数学类Mathematics

Calculate the slope of the normal line at the point t=on the curve x cos t cos't.y 1 sin t

匿名用户 2021-12-24 20:53 数学类Mathematics

arctan x sin xTo calculate lim3x--0

匿名用户 2021-12-24 20:52 数学类Mathematics

When x→o+,compute infinitesimal quantities equivalent to√x.

匿名用户 2021-12-24 20:51 数学类Mathematics

Know that the equation of our curve L is{x=+1(1≥0)y =4t-t,(①)The convexity of L is discussed.()Point (-1,0)lead the tang... 查看全部

匿名用户 2021-12-24 20:49 数学类Mathematics

Letf(u)have a second derivative in(0,+oo),andz=f(√x2+y2)satisfies equation=0(①)Verify that f"(u)+()=0;(i)If f(1)=0,f'(1)... 查看全部

匿名用户 2021-12-24 20:49 数学类Mathematics

Prove:when 0

匿名用户 2021-12-24 20:47 数学类Mathematics

Let the sequence{xn}satisfy0

匿名用户 2021-12-24 20:46 数学类Mathematics

LetD={(x,y)x2+y2≤1，x≥0}，to calculate I=1 +xydxdy..D1+x+y

匿名用户 2021-12-24 20:44 数学类Mathematics

arcsin eTo calculatedx.e

匿名用户 2021-12-24 20:44 数学类Mathematics

Try to determine the values of the constants A,B and C,such that ex(1+Bx Cx2)=1+Ax+o(x3),where o(x3)is an infinitesimal ... 查看全部