Question
Write each series using summation notation.$$-1+2-3+4-5+6$$
Step 1
We can represent this using the factor $(-1)^n$ where $n$ is the term number (starting from 1). For example, when $n=1$, we have $(-1)^1 = -1$, and when $n=2$, we have $(-1)^2 = 1$. Show more…
Show all steps
Your feedback will help us improve your experience
Ankit Gupta and 78 other Algebra educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Write each series using summation notation. -1+2-3+4-5+6-7
Sequences and Series
Write the series in summation notation. $$1-2+3-4+5-6$$
Binomial Expansions, Sequences, and Series
Write the series in summation notation. $$1+2+3+4+5+6$$
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD