78. Find the sum of the coefficients when we write the vector (-1,2,0) as the linear combination of three vectors (2,1,5), (-1,1,3) and (3,1,9). (A) 2 (B) 3 (C) 5 (D) 7

78. Find the sum of the coefficients when we write the vector (-1,2,0) as the linear combination of three vectors (2,1,5), (-1,1,3) and (3,1,9).
(A) 2
(B) 3
(C) 5
(D) 7

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統計： A(0), B(1), C(2), D(2), E(0) #2320035

詳解 (共 1 筆)

Chen Chen

B1 · 2020/05/31

#4020159

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55. In an experiment, it is found that the probability that a released bee will land on a painted target is . It is also found that when a bee lands on the target, the probability that the bee will attempt to sting the target is . In this experiment, what is the probability that a released bee will land on the target and attempt to sting it? (A) (B) (C) (D)

78. Find the sum of the coefficients when we write the vector (-1,2,0) as the linear combination of three vectors (2,1,5), (-1,1,3) and (3,1,9).
(A) 2
(B) 3
(C) 5
(D) 7

詳解 (共 1 筆)

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