3. What are the first four terms of the sequence represented by the expression n(n-1)- 5?

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MATHUSA101 MATHUSA101

23-05-2019
Mathematics

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3. What are the first four terms of the sequence represented by the expression n(n-1)- 5?

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joshphillies2ow1cdk joshphillies2ow1cdk · Answer 1 · 2019-05-23T21:24:24+02:00

joshphillies2ow1cdk joshphillies2ow1cdk

23-05-2019

It depends what the starting value of n is defined as

Assuming n starts at 0 it would be:

-5, -5, -3, 1

Assuming n starts at 1 it would be:

-5, -3, 1, 7

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ardeelhussain ardeelhussain · Answer 2 · 2019-05-23T21:25:31+02:00

ardeelhussain ardeelhussain

23-05-2019

Answer:

-5, -3, 1, 7

Step-by-step explanation:

n=1

1(1-1)-5=

1(0)-5=

0-5=

-5

n=2

2(2-1)-5=

2(1)-5=

2-5=

-3

n=3

3(3-1)-5=

3(2)-5=

6-5=

1

n=4

4(4-1)-5=

4(3)-5=

12-5=

7

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