@mathwithyosh: How to evaluate a limit with a radical by multiplying by the conjugate #apcalculus #calculus #apcalc #apcalcab #mathteacher

Math With Yosh
Math With Yosh
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Tuesday 22 September 2026 01:20:01 GMT
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inthaf13
brody⸆⸉ 🩻 :
Calculus looks fun but threatening
2026-09-22 03:40:41
138
mamadouknowsmath
Mamadou Knows Math :
You could also use L’Hôpital’s rule, but that would be later on in the course.😂
2026-09-22 01:34:56
84
rylanotter06
rylan :
conjugates would probably be easier than l hopital’s rule in this case lol
2026-09-25 03:34:39
1
davidzielke123
davidzielke123 :
Watched this from the airport in Cape Town. Calculus around the world. ❤️
2026-09-25 10:14:18
1
dawsonrt
dawsonrt :
I’ve been self-learning calculus. Finally at the point to where I’m able to do these problems correctly and understand why! Thanks for your videos!
2026-09-22 15:49:11
28
thedailyderivative0
TheDailyDerivative :
I dont think l hopital will even work🤔
2026-09-23 10:26:51
0
djayem9
Daniel :
Omg when you pointed out 0/0, I’m so proud that I remembered L’Hopital’s rule from a previous video! 😂
2026-09-23 02:43:51
6
paulboran3
PB :
How did we know to multiply by the conjugate in the first place? Just intuition / practice? Had to use a similar algebraic trick (just adding and subtracting a function to RHS of eqn) to help with a Laplace transform in my controls course today, and feels like I’ve always struggled with thinking of these “outside of the box” type manipulations to make
2026-09-23 03:17:21
4
blake.kaveny
B2023316 :
Ya I definitely never learned this.
2026-09-22 14:06:37
3
userbhupisgb6z
Pogi't-a :
make a video about implicit differentiation
2026-09-22 14:43:57
0
satpreptutor
SAT Prep Tutor Daniel! :
Awesome!
2026-09-23 04:21:27
0
yourewronghehe
Seamus 🦅 🇺🇸 :
I remember we made a poster of what one of my friends said in AP Calc when we first got into derivatives. “The limit definition of the derivative is like making a mountain out of a mole hill” and that’s what crossed my mind watching this 😂
2026-09-22 23:39:38
1
letmechangename1
letmechangename1 :
Well rehearsed
2026-09-22 16:27:54
1
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