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# CBSE Class 12 Study Material

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• ## Vectors Algebra (part-2)

The vector sum of two coinitial vectors is given by the diagonal of the parallelogram whose adjacent sides are the given vectors.

May 30, 2014
• ## Vectors Algebra (part-1)

The quantity which involves only one value (magnitude) which is a real number is called as scalars. However, an answer to the second query is a quantity (called force) which involves muscular strength (magnitude) and direction (in which another player is positioned). Such quantities are called vectors.

May 30, 2014
• ## Differential Equations (part-2)

To solve no homogeneous ordinary differential equations we must know the general solution to the homogenous version, in which case the undetermined coefficients method or variation of parameters can be used to find the particular solution.

May 30, 2014
• ## Integrals (part-2)

Partial fraction decomposition is a method which makes always possible to write the integrand as a sum of simpler rational functions.

May 30, 2014
• ## Differential Equations (part-1)

In this video we will discuss about the general and particular solution of a differential equation. By the degree of a differential equation, when it is a polynomial equation in derivatives, we mean the highest power (positive integral index) of the highest order derivative involved in the given differential equation.

May 30, 2014
• ## Integrals (part-1)

The functions that could possibly have given function as a derivative are called anti derivatives (or primitive) of the function

May 30, 2014
• ## Applications of the Integrals (part-2)

In this video we have given a focused on the applications of integrals in all the examples that you are capable of doing the integrals.

May 30, 2014
• ## Applications of the Integrals (part-1)

In the topic geometry, we have learnt formulae to find areas of different geometrical figures including triangles, rectangles, trapezias and circles.

May 20, 2013
• ## Applications of Derivatives (part-2)

Approximate is an estimation of a number or rounding a number to its nearest place value.

May 30, 2014
• ## Applications of Derivatives (part-1)

In the topic tangents and normals, we will use differentiation to find the equation of the tangent line and the normal line to a curve at a given point.

May 20, 2013
• ## Continuity and Differentiability (part-2)

Sometimes the relation between two variables is neither explicit nor implicit, but some link of a third variable with each of the two variables, separately, establishes a relation between the first two variables.

May 30, 2014
• ## Continuity and Differentiability (part-1)

Continuity of a function at a point is entirely dictated by the limit of the function at that point, it is reasonable to expect results analogous to the case of limits.

May 20, 2013
• ## Chemistry in Everyday Life

Molecules having molecular masses (~100 – 500u) comes under the category of drugs. These interact with macromolecular targets and produce a biological response.

May 20, 2013
• ## Polymer (part-2)

Step-growth polymerization follows only one type of reaction mechanism for the formation of polymer. The distinct initiation, propagation, and termination steps of chain-growth polymerization are meaningless in step-growth polymerization.

May 30, 2014
• ## Polymer (part-1)

Molecules of a polymer has high molar masses and are composed of a large number of repeating units. There are both naturally occurring and synthetic polymers

May 30, 2014
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