# Class 10th maths science group Chapter 2 Exercise 2.3

## Class 10th maths science group Chapter 2 Exercise 2.3

Class 10th maths science group Chapter 2 Exercise 2.309/16/2017 01:54:00 pm - notes - 10th - Mathematics Science Group - administrator
This series of lecture is about class 10th maths book exercise 2.3. You will get the lectures and notes about all the exercises of maths 9th, 10th, 11th, 12th. These lectures are related to Punjab Textbook Board PTB, Federal Board, Rawalpindi Board and all other educational boards of Punjab. 
Contact +923445939990 to get complete DVDs of Notes and Video lectures of 10th Mathematics Science Group at your doorstep.


This Lecture includes complete notes of Exercise 2.3 Chapter 2 Theory of Quadratic Equations from class 10th maths (science group) Punjab Text Book Board. For FBISE, RWPBISE and all other boards like Lahore Board, Sargodha Board etc.
In this Lecture you will go through following Topics:
1. Roots and co-efficients of a quadratic equation
i) Relation between roots and co-efficients of a quadratic equation.
s = - b/a = (Co-effucient of x)/(Co-efficient of x^2)
P =  c/a = (Constant term)/(Co-efficient of x^2)
ii) The sum and the product of the roots of a given quadratic equation without solving it.
iii) To find unknown values involved in a given quadratic equation.
a) Sum of the roots is equal to a multiple of the product of the roots.
b) Sum of the squares of the roots is equal to a given number.
c) Two roots differ by a given number.
d) Roots satisfy a given relation
e) Both sum and product of the roots are equal to a given number.

Select a Question from the list bellow to see the video of that Question directly (works best in Google Chrome Browser):
Q. 1:	Without solving, find the sum and the product of the roots of the following quadratic equations.
Q. 2:	Find the value of k, if
Q. 3:	Find k, if
Q. 4:	Find p, if
Q. 5:	Find m, if
Q. 6:	Find m, if sum and product of the roots of the following equations is equal to a given number lambda.

Class 10th maths science group Chapter 2 Exercise 2.3 All exercises Full Solutions
Class 10th maths science group Chapter 2 Exercise 2.3 Notes
Class 10th maths science group Chapter 2 Exercise 2.3 Video lecture
Class 10th maths science group Chapter 2 Exercise 2.3 All Questions pdf Notes


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