Uploaded November 2025 | Updated September 2026, 2 weeks ago
Did you know that sqrt(1/2) is actually the same as sqrt(2)/2, where sqrt means "the square root"? I will show you the algebraic approach, called the "rationalizing the denominator," to see how sqrt(1/2)=sqrt(2)/2, and I will also talk about why we do it!
This post is from Reddit r/desmos reddit.com/r/desmos/s/aCWuWtF0tx
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I help students master the basics of math. You can show your support and help me create even better content by becoming a patron on Patreon 👉 patreon.com/blackpenredpen.
Get your "algebra" t-shirt 👉 amzn.to/3A8Ed4k
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#math #algebra #mathtutorials
0:00 Are you the next Oiler?
0:36 Why sqrt(1/2)=sqrt(2)/2
3:36 Why do we rationalize the denominator?
Did you know that sqrt(1/2) is actually the same as sqrt(2)/2, where sqrt means "the square root"? I will show you the algebraic approach, called the "rationalizing the denominator," to see how sqrt(1/2)=sqrt(2)/2, and I will also talk about why we do it!
This post is from Reddit r/desmos reddit.com/r/desmos/s/aCWuWtF0tx
------------------
I help students master the basics of math. You can show your support and help me create even better content by becoming a patron on Patreon 👉 patreon.com/blackpenredpen.
Get your "algebra" t-shirt 👉 amzn.to/3A8Ed4k
Every bit of support means the world to me and motivates me to keep bringing you the best math lessons! Thank you!
------------------
#math #algebra #mathtutorials
0:00 Are you the next Oiler?
0:36 Why sqrt(1/2)=sqrt(2)/2
3:36 Why do we rationalize the denominator?
