IB Sample Exam Question, Paper 1 Q7

[@MarkVO]

I did IB Maths HL in 2013 and u-substitution was expected for solving some questions such as this one

[@patrickjmt]

ah ok, i will do a supplement and include that info. thanks for letting me know!

[@MarkVO]

@@patrickjmt It's worth confirming this information as it's from 8 years ago. It's entirely possible that there have been changes to it

[@christianrosado8838]

Its nice to see Patrick is still saving lives. Started with precalc and survived all the way to dif q. Now Im back to refresh my laplace for one of my final classes. Thank you!!

[@patrickjmt]

good luck in your studies! thanks for the kind words :)

[@nikhilsrivastava8450]

Love from 🇮🇳

[@patrickjmt]

thanks man :) back at ya from texas!

[@apkhighlight9079]

Thanks a lot sir.. hugs from india

[@patrickjmt]

back at ya from texas :)

[@sandiworka]

Amazing

[@michaelempeigne3519]

If you do a u-sub : u=2x + 1 and du= 2 dx then the formula works out

[@patrickjmt]

ya, i'm going to do a supplement pointing out some u-sub stuff

[@trucdi6921]

Thank you!😊

[@patrickjmt]

You're welcome 😊

[@jJo663]

watching this cuz I'm kinda bored anyways Nice explanation

[@patrickjmt]

thanks :) come back whenever you are bored and i will bore you some more

[@ReiLemo]

Steve jobs voice