example
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22
Jul
Examples 1 to 3
Examples :
(1) Solve the equations :
(i) 3x2 + 5x + 2 = 0
(ii) 3x2 – 5x + 2 = 0
(iii) 3x2 + 5x – 2 = 0
22
Jul
22
Jul
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22
Jul
Methods to solve Quadratic Equation
☼ Methods to solve Quadratic Equation : There are three different methods to solve the quadratic equation.
(i) Method of Factorization
e.g. Solve : 4 x2 – …
22
Jul
Types of roots of a Quadratic Equation
☼ Types of roots of a Quadratic Equation : There are four different types of roots associated with a Quadratic Equation.
(i) Rational and Distinct
e.g. Solve : 3 x2 +…
19
Jul
19
Jul
19
Jul
Examples 11 to 15
(11) A father is now five times as old as his son. Five years ago, he was nine times as old as his son. Find their present ages.
Soln. Let age of the father = x and that of the son = y
We are given that, x = 5y …
19
Jul
19
Jul