77. How many integers n among [0,10] are there such that the equation x −− − + − = 1 22 3 x xn has exactly two solutions? (A) 8 (B) 9 (C) 10 (D) 11 13

77. How many integers n among [0,10] are there such that the equation x −− − + − = 1 22 3 x xn has exactly two solutions?
(A) 8
(B) 9
(C) 10
(D) 11 13

答案：登入後查看
統計： A(2), B(0), C(1), D(2), E(0) #2320034

詳解 (共 1 筆)

Chen Chen

B1 · 2020/05/31

#4020158

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)

77. How many integers n among [0,10] are there such that the equation x −− − + − = 1 22 3 x xn has exactly two solutions?
(A) 8
(B) 9
(C) 10
(D) 11 13

詳解 (共 1 筆)

相關試題

相關試卷