1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Gennadij [26K]
3 years ago
11

Find the third fourth and fifth terms of the sequence defined by a1=1, a2=3, and a n =(-1)n a n-2 for n>3

Mathematics
1 answer:
Maslowich3 years ago
5 0

We have been given that

a_1=1\\  a_2=3\\
a_ n =(-1)^n a _{n-2} \text{ for } n>3

In order to find the third term, we substitute n=3

a_ 3 =(-1)^3a _{(3-2)}\\
\\
a_ 3 =(-1)^3 a _{1}

Substituting the given value of a_1

a_ 3 =(-1)^3 \times 1\\
\\
a_3=-1\times 1\\
\\
a_3=-1

Similarly, we can find the fourth term by plugging n=4

a_ 4 =(-1)^4a _{(4-2)}\\
\\
a_ 4 =(-1)^4 a _{2}\\
\\
a_4= 1\times 3\\
\\
a_4=3

Therefore, the third term is -1

And the fourth term is 3


You might be interested in
What does the statement T(20) = T(c) mean?
artcher [175]
It is C. floor 20 and floor c have the same amount of tenants
5 0
3 years ago
48. A map is drawn to a scale of 1cm to represent 50km. If the actual distance between two villages is 480km, what is the distan
lana66690 [7]

Set up a ratio:

1/50 = x/480

Cross multiply:

50x = 480

Divide both sides by 50:

X = 9.6

The distance on the map is 9.6 cm

5 0
3 years ago
Simplify : 48÷6 [-52 ÷2 {4 - 3 (2 - 15÷3)}]​
garri49 [273]

Answer:

86

Step-by-step explanation:

48÷6 [-52 ÷2 {4 - 3 (2 - 15÷3)}] \\ 8[-52 ÷2 {4 - 3 (2 - 15÷3)}] \\ 8[-52 ÷2{1 (2 - 15÷3)}] \\ 8[ - 2.5{ (2 - 15÷3)}] \\ 8[ - 2.5{ ( - 13÷3)}] \\ 8[ - 2.5{ (  - 4.3)}] \\ 8[10.75 { }] \\  = 86

8 0
2 years ago
Need Help ASAP WILL GIVE BRAINLIEST
Bad White [126]

Answer:

D) Distribute Property

Step-by-step explanation:

The student did Distribute property but they didn't mark it down.

3 0
2 years ago
CDEF is a kite and FCE = 34 . Find m1.
klio [65]

<FCE = 34

<1 = <FCE = 34

34Therefore angle 1=44

4 0
3 years ago
Other questions:
  • What is 6 13/50 as a decimal
    5·1 answer
  • Please hurry I need these fast
    14·1 answer
  • I need help on whichever question anyone might know how to do . QUICK
    13·1 answer
  • Can u help me how to do this
    7·1 answer
  • A rectangle is 9ft long and 40 in wide what is its area in square feet?
    15·1 answer
  • 125 thousandths = 1 tenth and ______ thousandths..... HELP
    13·1 answer
  • Consider the following graph of f(x) what are the zeros
    12·1 answer
  • Which statement is true?
    12·2 answers
  • What is the answer to y=-6x-3, -8x-3y=-1.
    11·1 answer
  • Prime factors for 144
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!