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MATHS IS A PART OF LIFE

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Month: May 2017

Probability

May 30, 2017May 30, 2017 abhishek

                            Probability  Probability means how likely something is to happen Before doing probability, you should read Permutation and combination Experiment: An activity which results in some well Read More …

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Permutation and Combination

May 26, 2017May 30, 2017 abhishek

                            Permutation and Combination Permutation means arrangements and combination means selecting or choosing. Permutation: Permutation used for finding the total number of different ways of arrangements. 1. Total Read More …

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Geometry – Lines and Angles and their Properties

May 23, 2017May 23, 2017 abhishek

Line: A line is a straight path which has no thickness and extends in both directions infinitely.   Ray: It is a part of a line which has an end point in one direction and extends indefinitely in other direction.   Line segment: Read More …

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Geometry ( Median of a triangle )

May 21, 2017June 1, 2017 abhishek

                               Median  of a triangle Median: The line joining the vertex to the midpoint of opposite side is called median of a triangle. There is one Read More …

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Geometry (Length of common tangent between two circles)

May 18, 2017May 18, 2017 abhishek

1. If two circles of radius [latex]r_{1}[/latex] and [latex]r_{2}[/latex] touch each other externally, then the length of the direct common tangent is  [latex]\sqrt{4r_{1}r_{2}}[/latex] Proof : Let the length of the common tangent be l   Draw a line OR parallel to Read More …

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Trigonometry (Height And Distance)

May 13, 2017June 1, 2017 abhishek

Line of sight When the human eye see any object, then the straight line between human eye and the object is called the line of sight. Angle of elevation When the human eye see an object above the horizontal level Read More …

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Trigonometry ( Formulae and Relations)

May 10, 2017June 1, 2017 abhishek

Now there are some important formula which are helpful to solve questions sin ( A + B ) = sin A.cosB + sinB.cosA sin ( A – B ) = sin A.cosB – sinB.cosA cos(A + B ) = cosA.cosB – Read More …

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Trigonometry

May 8, 2017June 1, 2017 abhishek

Trigonometry Trigonometry is the study of ratios of the sides of a right angle triangle.   How to decide, in a right angle triangle which side is base and which side is perpendicular ? Consider the two triangles In the Read More …

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Geometry – Circles and their properties

May 6, 2017May 22, 2017 abhishek

  Circle Circle is the set of all points in a plane which are equidistant from the fixed point. The fixed point is called the center of circle and the distance from the center to the circle is called radius. Read More …

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