CLASS 11 MATHEMATICS

Angle between 2 lines in Coordinate Geometry

https://youtu.be/JPvzGJyAqeM

The concept of angle between 2 lines is explained here. Note that , when we put the modulus sign, you get the acute angle. If you remove the modulus sign, you get the obtuse angle .

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Locus Problems in Coordinate Geometry

https://youtu.be/ruQJKgjQivs

You are introduced to locus and how to apply it in problems. Basically you need to remember that the locus is a point which moves and satisfies a given condition. The concept of bisector of the acute angle and obtuse angle between 2 lines is also discussed. An important topic! 

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Conic section: Parabola

You will be introduced to parabola which is one of the topics in Conic Sections, again , a slightly advanced topic.

Parabola: A basic understanding

https://youtu.be/1mCTLCFY9kU

What is a parabola and how is it derived from Conic sections? You are taught how to calculate equation of a parabola given its focus and directrix. Tips on how to calculate the axis is also discussed.

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Types of parabola

https://youtu.be/5RnlvMzYVUg

You are introduced to the 4 basic types of parabolas and how to calculate the focus, vertex, axis, directrix equation, length of the lotus rectum in each case. An interesting point to note is that for a parabola, its eccentricity is one.

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Condition of tangency for a parabola

https://youtu.be/E3bxNFAHS5U

How to calculate the equation of a tangent to a parabola? Learn the different methods and the approach to be taken for each type by watching this video.

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Statistics

Moving on to Statistics, the topics covered here include Mean Deviation, Standard deviation, Mean , Median, Mode. Quartiles, Deciles and Percentiles,Correlation , Rank Correlation and much more!

Quartiles, Deciles and Percentiles

https://youtu.be/DlzwQ-gXCNo

You will learn how to calculate quartiles, deciles and percentiles for a discrete and continuous frequency distribution. A popular video useful for College maths as well.

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Calculating Mean Deviation

https://youtu.be/EJxD9YTHcFk

You are taught how to calculate mean deviation for a discrete and grouped frequency distribution. Though, mean deviation is not widely used, it is a useful tool to know how data is distributed around the mean.

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How to calculate the combined mean, standard deviation and mode

https://youtu.be/qIYFY3dwadw

3 important concepts are discussed here, namely how to calculate the combined mean and standard deviation and how to evaluate the mode for a discrete and grouped frequency distribution. The problems on combined mean and mode are used for the GRE and GMAT quant section as well.

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Standard Deviation

https://youtu.be/yXb4VzPgV9g

How to calculate standard deviation, for a discrete set of values and a frequency distribution, both grouped and ungrouped is discussed here. A useful video.

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Correlation coefficient

https://youtu.be/Mwhpt2ZO90E

What is correlation coefficient ? Learn different ways of computing the correlation coefficient . A very important tool for students learning Statistics. You cannot learn just by watching videos.. Learning becomes fruitful when you take a pen and paper and practice along with me!

Rank Correlation coefficent

https://youtu.be/e0JLKVc36h0

What is rank correlation? Learn more about this and Spearman's rank correlation for distinct ranks and repeated ranks by watching this video!

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