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Let a be a non-zero constant, find....
匿名用户 匿名用户 2021-08-09 18:15 数学类Mathematics

  • 2021-08-09 18:16

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What is the equation of the plane that passes through M(1,2,-1) and is perpendicular to line...
匿名用户 匿名用户 2021-08-09 18:14 数学类Mathematics

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Let the random variable X and Y be independent, and X follow a normal distribution with....
匿名用户 匿名用户 2021-08-09 18:09 数学类Mathematics

  • 2021-08-09 18:09

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If the random variable ξ is uniformly distributed on (1,6), what is the probability that....
匿名用户 匿名用户 2021-08-09 18:07 数学类Mathematics

 If the random variable ξ is uniformly distributed on (1,6), what is the probability that   has real roots.

  • 2021-08-09 18:07

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If A and B independently shoot at the same target once, their hit rates are 0.6 and 0.5 respectively
匿名用户 匿名用户 2021-08-09 18:03 数学类Mathematics

If A and B independently shoot at the same target once, their hit rates are 0.6 and 0.5 respectively. Now that we know t... 查看全部

  • 2021-08-09 18:03

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Given the probability P(A)=0.5 of random event A, the probability P(B)=0.6 of random event...
匿名用户 匿名用户 2021-08-09 18:01 数学类Mathematics

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Let the center of a sphere ∑ of radius R be on the fixed sphere x²+y²+z²=a²(a＞0），when R is....
匿名用户 匿名用户 2021-08-09 17:58 数学类Mathematics

  • 2021-08-09 17:59

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Assuming that λ is an eigenvalue of an invertible matrix A of order n, it is proved that:
匿名用户 匿名用户 2021-08-09 17:49 数学类Mathematics

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What is the general form of the solution to the system of linear equations....
匿名用户 匿名用户 2021-08-09 17:46 数学类Mathematics

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Let f(x)=f(x)=sinx-.....
匿名用户 匿名用户 2021-08-09 17:43 数学类Mathematics

f(x)图片识别成文本：Letf(x)=f(x)=sinx-(x-t)f(t)dt, where is continuous function,find

  • 2021-08-09 17:44

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