• ## IB Tok Tutors

IB Tok Tutors explain IB Tok  To begin with, it is vital to recognize that TOK is about rigorously questioning what knowledge is and how we acquire it. When IB

• ## IB Biology Tutors

Help by IB Biology Tutors IB Elite Tutor provides the most experienced, qualified and highly trained IB Biology tutors who take pride in helping their students. Our IB tutors use

• ## How to score Seven in IB Maths HL

I have already written a post on how to score 7 in IB Maths HL. Other than this a lot of articles and posts are available on the internet for

## Binomial Theorem

Binomial Theorem The formula by which any positive integral power of a  binomial expression can be expanded in the form of a series is known as  Binomial  Theorem. If   x, y ∈ R and n∈N,  then (x + y)n = nC0 xn + nC1 xn-1 y + nC2 xn-2y2 + ….. + nCrxn-r yr + ….. +

## Calculus (Part-2)-geometric explanation of diﬀerentiation

geometric explanation of diﬀerentiation Geometric explanation of diﬀerentiation-  If we find the derivative of function f(x) at x = x0 then it is equal to the slope of the tangent  to the graph of given function f(x) at the given