# PRE RMO

This Category will divide the articles that are useful for jee Advanced Exam. This could include theory, solved examples, unsolved examples, test papers and previous year papers.

## Intermediate value theorem ( IVT ): Proof and Examples

Intermediate value theorem ( IVT ) : Proof and Examples           IVT is applicable on all functions which are               (1) Continuous in [a,b]               (2) f(a).f(b)< 0 Statement of IVT           If f(x) is …

## Logarithm functions : Properties and practice Examples

Logarithm function: Properties, Equality and inequality Examples           Are you looking for a good understanding of logarithm functions, what are their properties and rules. It is very critical to understand what logarithm actually is. A student must practice a good number and variety of problems to master logarithm.   What is …

## Relation between Roots and Coefficients

To know the relation between roots and coefficients of a polynomial equation, first we need to know basic things about a polynomial and roots. I am listing them point by point.           (1) If anxn + an – 1xn – 1 + an – 2xn – 2 …

## Arithmetic Progression Formula, Problems fully Explained

Do want to know arithmetic progression formula with proof or you are looking for some problems. To be able to fully understand what is Arithmetic progression or arithmetic sequence, you must have a fair enough Idea about what is Sequence,  Series and Progression. Once you are well versed with the terms, we can move ahead …

## Allied angles formula, Sum of angles and Sum to product Formula

Does allied angles formula confuses you ? or you are looking for method to create any allied angle formula? or you want to know what is sum angle formula? or how to use sum to product and product to sum formula? Stay tuned What are Allied Angles Two angles are said to be allied when their …

## Trigonometric Ratios and Identities formula and Examples

Trigonometric Ratios Identities  formula and Examples   Trigonometric Ratios In a Right angled triangle PQR, let angle Q be the right angle and angle QPR equals θ. Then for angle θ, PQ is the base, QR is the perpendicular, and PR is the hypotenuse.   Then 6 ratios are possible among 3 sides. \$\frac{Perpendicular}{Hypotenuse}=\frac{QR}{PR}=\sin \theta …

## Permutation and Combination Examples with study notes

Permutation and Combination Formula Examples with study notes Do you get confused in permutation and combination ? Or you don’t even know what is the difference between permutation and combination? Or While solving Permutation and Combination Questions you don’t know which one to use. After reading this entire post You will know crystal clear difference … ## Fundamental Counting Principle – Begin to Count

Do you know how powerful fundamental counting principle are? let me ask you a question, Do you know how many squares are there in a chessboard? If your answer is 64, I would say you need to see chessboard again There are much more than 64 squares, in fact there are 204 squares on a chess board. …

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