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A.syms x y=asin(x)/x limit(y,x,0)
B.syms x y=arcsin(x)/x limit(y,x,0)
C.limit(‘asin(x)/x’,’x’,0)
D.clear limit(asin(x)/x,x,0)
E.syms x limit(asin(x)/x,x,0)
A.syms x y=asin(x)/x limit(y,x,0)
B.syms x y=arcsin(x)/x limit(y,x,0)
C.limit(‘asin(x)/x’,’x’,0)
D.clear limit(asin(x)/x,x,0)
E.syms x limit(asin(x)/x,x,0)
设集合X={a,b,c,d,e},集合X上的二元关系R={(a,b),(b,c),(c,d),(d,e)},则R的自反传递闭包为{(a,a),(b,b),(c,c),(d,d),(e,e),(a,b),(a,c),(a,d),(a,e),(b,c),(b,d),(b,e),(c,d),(c,e),(d,e)}。
A、clear syms x y=(sin(1+log(x)))^2 y2=diff(y,x,2)
B、clear syms x y=sin((1+log(x))^2) diff(y,x,2)
C、clear syms x y=sin(1+log(x)^2) y2=diff(y,x,2)
D、clear syms x y=sin(1+log(x))^2 y2=diff(y,x)
E、clear syms x y=(sin(1+log(x)))^2 y=diff(y,x,2)
F、clear x=2; y=(sin(1+log(x)))^2 y2=diff(y,x)
A、syms x y=log(1/x*x+exp(x))+sin(1-x^2) dy/dx=diff(y,x)
B、syms x y=log(1/x/x+exp(x))+sin(1-x^2) dydx=diff(y,x)
C、syms x y=log(1/x/x+exp^x)+sin(1-x^2) dydx=diff(y,x)
D、syms x y=log(1/x/x+exp(x))+sin(1-x)^2 dydx=diff(y,x)
E、syms x y=log(1/x/x+e^x)+sin(1-x^2) dydx=diff(y,x)
F、syms x y=log(1/(x*x)+exp(x))+sin(1-x^2) dydx=diff(y,x)
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