2+y2-2z2=0,, find the farthest and nearest points on the curve Know curve C:++3z=5, from plane xoy.
2021-09-13 02:22
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回答Compute the curve integral sin2xdx+2(x2-1)ydy, where is the segment of the curve y sinx from the point(0,0) to the point... 查看全部
2021-09-13 02:22
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回答To calculate the limit. limSin x-sin(sinx)]sinxx→0
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回答Let the random variable X obey the Poisson distribution with parameter 1, to calculateP{X=E(2)}
2021-09-13 02:22
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回答Let a be 2-order matrix, and a1, a2 be linearly independent 2-dimensic column vectors,Aa1=0,a2=2a1+a2, compute the nonze... 查看全部
2021-09-13 02:21
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回答Let the surface be the upper side of:z=√4-x2-y2 To calculate xydydz +xdzdx+xdxdy.
2021-09-13 02:21
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回答We know that the power seriesn0n(x+2) converges at=0, it diverges at=-4 compute the convergence domain of power series∑ ... 查看全部
2021-09-13 02:20
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回答The equation of the tangent to the curve sin(xy)+ In(y-x)=x at the point(0,1).
2021-09-13 02:20
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回答Compute the solution of the differential equation'+y=0ify(1)=1
2021-09-13 02:20
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回答Let the random variables X and Y be independently and identically distributed, and the distribution function of X be F(X... 查看全部
2021-09-13 02:20
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