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class 12 CBSE
IITJEE
How to solve Functional Equations.
How to solve functional equations of different types. In chapter functions one of the question which we all must be facing is how to solve functional equations for some given form. Once we say functional equation , the immediate thoughts are what is functional equations ? How to solve function equation ? Are some of […]
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IITJEE
Podcast
Maximum and Minimum of a function
Local maximum and minimum of function is value for function with respect to its right and left neighbor values . Where as Global maximum and minimum is maximum and minimum value of function in its domain. An important thing is they are value of functions not limit values.
Read Moreclass 11th
IITJEE
Solution of Quadratic equation
The solution of by-quadratic equation of degree 4 , such that in the product of two of linear factor and other linear factor , Coefficient of x square and x will remains same
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class 11th
IITJEE
Equation of tangent to parabola
Equation of tangent to parabola Equation of tangent to parabola $ y^2\,=\,4ax $ ant any parametric coordinate p(t)=$p(\,at^2,\,2at)$ where t is a parameter and $t\,\in R $ is given by $ yt\,=\,x\,+\,at^2 $ . Hence 1/t is the slope of tangent at point P(t). Let m=1/t Hence equation of tangent will be $\frac{y}{m}\,=\,x\,+\,\frac{a}{m^2} $ i.e […]
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IITJEE
Podcast
Video
Distribution of Identical objects into Distinct Groups.
Distribution of ‘n’ identical objects into ‘m’ numbers of distinct groups. PODCAST ON DISTRIBUTION OF OBJECTS INTO GROUPS Let us consider distribution of n identical objects to m numbers of distinct groups. let $\,x_i \,$ is the number of identical object objects in $i^{th}\, $ group. Therefore $x_1\,+\,x_2\,+\,x_3……….\,+\,x_m\,=\,n\,\,\, ;\,\,\, where\,\, 0\leq x_i\leq n \,,\,\,\, \forall […]
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