hawszanderpelv2v
03.08.2019 •
Mathematics
Find the general solution to 2 y^{\,\prime\prime} + 32 y = 0. give your answer as y = . . \ . in your answer, use c_1 and c_2 to denote arbitrary constants and x the independent variable. enter c_1 as c1 and c_2 as c2
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Ответ:
2y'' + 32y = 0
That is,
y'' + 16y = 0
Solve the indicial equation.
r² + 16 = 0
r² = -16
r = 4i, -4i which yields the functions sin(4x), cos(4x).
The general solution is
y(x) = c₁cos(4x) + c₂sin(4x)
Ответ:
Option A , C, D are true.
Step-by-step explanation:
Given : In a carnival game, there is a 45% probability of winning a prize.
To find : Which of the following is true.
Solution : Probability of winning a prize is 45%
or
Total probability of an event is 1
Probability of winning is 0.45
Then probability of loosing is
or
From the results we can say that,
A) The probability that you won't win is 11/20 is true
B) The probability that you will win is 4.5 is false
C) The probability that you won't win is 0.55 is true
D) The probability that you will win is 9/20 is true
Therefore, Option A , C, D are true and B is false.