@funnyhistoryinworld

we should use digital interfaces to teach maths to students. anyway your channel is awesome....

@dageustice

f(x)=0 also has itself as its derivative, but no one seems to care at all ☹️

@dospiir8045

her : i can change him 
him :

@lillii9119

By the definition of derivative, we find that (a^x)' = (a^x)(a^h - 1)/h when h -> 0,
Let e be the number so that (e^h - 1)/h = 1,
e^h - 1 = h <=> e^h = 1 + h <=> e = (1+h)^(1/h)
By definition, this is the only real number that, as the base of an exponential function, gives that function itself as a derivative

@littleantukins4415

e^x is the goat of all functions

@kitspapp

i remember my maths professor showed us this proof in intro calc, my mind was blown

@gilly4487

I hate my Calc 1 class rn but this video genuinely helped me. Thank you.

@elnetini

The next step would be to show the area under the curve,  which is the same value as the slope at any given point

@pagoluharshavardhangowdme1423

It also has another interesting property. Although it's slope increases exponentially it's tangents intercept on y axis increases linearly with x i.e the intercept of tangent at x=1 is 0, at x=2 is 1, at x=3 is 2.... And so on

@virushk

NICE

@skyzm212

Another intereating method is using taylor's expansion series to prove that for all integer n since e^x=1+x+x^2/2+...x^n/n .then it's derivative would remain the same neglecting the rest since we're doing a derivative

@loohooi6545

In addition,the difinite integaral(the area below the curve) from negative infinity to any x value of that point is also exactly to its y-coordinates.

@Umlaut95

Thank you! This helps with comprehending calculus

@bijipeter1471

Thank you,sir

@pelayomedina2174

That's literally how e^x is defined

@omerutkuerzengin3061

So nice explanation.

@Fire_Axus

fun functions

@logosking2848

Not by coincidence, but by definition

@jesusnoagervasini8207

f(x)=0: Look at what they have to do to mimic a fraction of my power

@Tiggster-qr8mw

Multiply e^x by any constant and the same thing still applies