21:13

Hyperbola Class-XI x^2/a^2- y^2/b^2=1

04:33

differentiation of Sin²x

13:52

differentiation of (Sinx) ^Cosx

11:12

Integration of e^x(Sinx+Cosx)

07:29

derivative of Sin(x+1)

05:47

Integration of Sin²x

03:51

differentiation of Cos²x

09:15

Differentiation of (Sinx+Cosx)/(Sinx-Cosx)

11:26

Expansion of Cos x=1-x^2/2!+x^4/4!-x^6/6!+......

10:22

Expansion of Sinx=x-x^3/3!+x^5/5!-x^7/7!+.........

10:31

d/dx Cosx=-Sinx

09:23

d/dxSinx=Cosx

09:11

e^x=1+x+x^2/2!+x^3/3!+- - - - -

15:12

Maclaurin's Theorem

14:03

derivative of e^x=e^x

11:37

Surface area of sphere=4πr^2

09:26

Volume of sphere=4/3πR^3

11:08

Quotient Rule (u/v)'=(u'v-uv')/v^2

08:38

Product Rule, (uv)'=uv'+vu'

11:24

Cuboid and Cube

08:04

Area of Circle=πr^2

08:31

d/dxlogx=1/x

14:28

derivative of x^n=nx^(n-1)

09:54

If x limit a (x^n-a^n)/(x-a)=na^n-1

08:14

Quadratic Equation

06:04

Arithmetic mean & Geometric mean with its relation

03:39

Sum of Geometric Progression, S=a(r^n -1)/(r- 1)

19:01

1²+2²+3²+........+n²=n(n+1)(2n+1)/6

15:16

S=n/2{2 a+(n- 1)d}

12:27

sin(x-y)=sinxcosy-cosxsiny

11:42

binomial theorem (a+b)^n+1=?

28:21

binomial theorem (a+b)^n=?

04:54

kc1+kc0=k+1c1

02:20

why is 0!=1

11:12

distance formula 3d

05:49

distance formula 2d

08:59

pascal's triangle

15:33

Parabola y^2=4ax, y^2=-4ax, x^2=4ay, x^2=-4ay

21:06

Binomial Theorem

04:54

Cos (A+B)=CosA.CosB-SinA.SinB

07:19

nCr=n!/r!.(n-r)!

12:27

Cos(X+Y)=Cos X.CosY-SinX.SinY

12:11

nPr= n! / (n-r)!

04:23

logmn= logm + logn

08:29

18 April 2024 sin(a+b)=sina.cosb+cosa.sinb

09:05

Pythagoras Theorem h²=p²+b²