Question
Multiply. Write all answers in the form a $+b i.$$$(2+i)^{2}$$
Step 1
Step 1: We can write the expression $(2+i)^{2}$ as $(2+i)(2+i)$. Show more…
Show all steps
Your feedback will help us improve your experience
Amy Jiang and 63 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
Multiply. Write your answers in the form $a+b i$. $$ (2-2 i)^{2} $$
Rational Exponents, Radicals, and Complex Numbers
Complex Numbers
Multiply. Write all answers in the form a $+b i.$ $$ (3-2 i)^{2} $$
Radical Expressions and Equations
Multiply. Write your answers in the form $a+b i$. $$ (4-2 i)^{2} $$
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD