A-Level Maths Edexcel Core 3 Past Paper Questions - Differentiation (1)

[MohammadSalman-zqrv]

I was very fortunate to get to know about this channel.I am that one person who hated maths until I found your channel.With the bottom of my heart Thank you sir for bringing out this turning point in my Life.

[lausamuel]

2:27 common factor should be e^3x instead of e^x?

[MsMANTY]

your factorisation on the first one should be e^3x not e^x outside the bracket

[liverpoolfanlife]

my factorisation is absolutely woeful but you are right

[NAM]

what program are you using to show this?? its really useful is it free?

[ace]

uh... -2 x -2 x -2 x -2 = 16.... 4is an even number... why would we have a negative value?

[waliidjama]

yooo does anyone know which books are the best for a level maths?