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Equations And Inequations

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Delhi

Course ID: 4481

Delhi

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RASHMEET SINGH picture
RASHMEET SINGH

BE FROM DELHI COLLEGE OF ENGINEERING

4 Years of Experience

About RASHMEET SINGH

2 YEAR PLUS EXPERIENCE IN PREPARING STUDENTS FOR IIT JEE AND AIEEE
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About the Course

1.these are of many types but we are concerned with quadratic and cubic mainly.
2.for :ax^2 +bx+c=0,to solve these questions some points to remember:
a)the given eqn has MAX 2 distinct roots(real or imaginary)depending upon D.
b)find D(discriminant) ie D=b^2-4ac
NOW if D=0 both roots are real and equal
if D>0 both roots are real but distinct
if D<0 then both roots are imaginary(NOTE:Imaginary roots are in conjugate form if if one root is 2+3i,then other must be 2-3i)
NOW if inequation is given in the form of ax^2+bx+c> OR<0 then how can WE SOLVE
soln: 1.Make the sign of "a" POSITIVE in above equation(if already a is positive then it's ok ELSE multiply the above equation by -1 and change the inequality sign as well)
NOTE:in 99 % of inequality questions we can always make the factors of the inequation and put in the form of (x-X)(x-Y)>or<0 AS THE CASE MAY BE.(suppose XNOW draw the number line and mark X and Y on them.In this way the no. line is divided into three parts ie :
(-infinity,X ), (X,Y), (Y,+infinity)
putting the signs alternatively from the right side,starting from POSITIVE..then negative ..then positive.
if (x-X))x-Y)>0 it means our answer lies in POSITIVE sections of the no. line ie
x belongs to(-infinity,X) UNION (Y,infinity)

if (x-X)(x-Y)<0 then answer is x belongs to(X,Y)
NOW we will know about the bature of parabola opening upwards or downwards and find MAX or MIN value thereof.


Topics Covered

Equations And Inequations
Nature Of Roots
Graphical Representation
Max And Min Value Of The Equation
In All The IIT And AIEEE 2 To 3 Questions Completed Thoroughly

Who should attend

All Those Students Who Want To Prepare For Engineering Entrances Such As IIT And AIEEE And Others

Pre-requisites

NOTHING REQUIRED ..
everything is managed in the class.BT the sudent must be attentive during session/

What you need to bring

nothing except a pen and notebook.

Key Takeaways

1.Mathematical Formulation Of Any Equation And In equation
2.Max And Min Value Of Any Function.Etc

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