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General Properties of group–15 elements – E-Chemistry
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General Properties of group–15 elements. Group 15 elements consists of following elements. The atoms of group 15 have 5 valence electrons in the outermost shell 2 in s and 3 in p subshell General electronic configuration of this group is ns. Atomic and Ionic Radii. On moving down the group electronegativity decreases because atomic size increases and shielding effect of inner electron shells also increases and it become difficult for a element to attract a electron rather it can easily loose a electron&#...
echemistry.in
Why Do Water Pipes Break In Winter! – E-Chemistry
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Why Do Water Pipes Break In Winter! Water molecule is made up of 2 hydrogen and one oxygen atom and it looks like a mickey mouse head with an oxygen molecule and 2 Hydrogen atom as mickey mouse ears. Characteristics of Chemical Reactions. A chemical reaction is a process in which new substances are formed with completely new properties. The substance which reacts in a. OZONE – PROS AND CONS. Why Do Old Books Become Yellow with Time. Variable Oxidation State Shown by Group 15 Element. Use of tea bags.
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WHY sin x AND cosec x ARE POSITIVE IN SECOND QUADRANT? – E-Maths
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XII Full Syllabus Test. WHY sin x AND cosec x ARE POSITIVE IN SECOND QUADRANT? जब भ म बच च स प छत ह क sin x. Quadrant म positive क य ह त ह? म और tan x. हम श answer आत ह , Sir, ALL SCHOOL TO COLLEGE OR ADD SUGAR TO COFFEE, etc. क छ ह बच च क इसक सह reason पत ह त ह . Let’s see the exact reason. All trigonometric ratios are positive in first quadrant. Sin and cosec are positive in second quadrant. Tan and cot are positive in third quadrant. Cos and sec are positive in fourth quadrant. Angle between two lines.
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E-Maths – E-Maths
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XII Full Syllabus Test. To draw the graph for any function, we need to take some positive and negative values of then find the corresponding values of And make the line or curve by joining the points obtained. (1) Straight Line . (2) Circle where are co-ordinates of centre and is the radius of the circle. (3) Parabola […]. Integrate root cos2x divided by sinx with respect to x. Let Differentiate both sides w.r.t x Let Equating coefficient both sides, we get On solving above equations. Tagged: basic of log.
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Integrate root cos2x divided by sinx with respect to x – E-Maths
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XII Full Syllabus Test. Integrate root cos2x divided by sinx with respect to x. Differentiate both sides w.r.t x. Equating coefficient both sides, we get. On solving above equations. Let us consider two digit numbers ab and cd. For example: 23 45 Now, Now, we can try in one step. Integrate limit 0 to two pie (1 divided by 1 plus e to the power sin x) dx. Evaluate : Let Adding equations (1) and. PROPERTIES OF ARITHMETIC PROGRESSIONS. INTEGRATION AS INVERSE PROCESS OF DIFFERENTIATION. Centre of a circle.
emaths.in
CBSE – E-Maths
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XII Full Syllabus Test. Aspiring students of Class XII appearing for Board Exams should start their revision at least three months ago, so that they can get thorough touch with the each and every lesson of the syllabus. Here are the marking schemes provided for the help of student to utilise time on particular chapter in beneficial way. Marking Scheme of Class XII. Principle of Mathematical Induction. Concept of deriving trigonometry formulae. Equality of complex numbers. Equation of a line.
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OPERATIONS ON SETS – E-Maths
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XII Full Syllabus Test. 1) Union of Sets:. The union of two sets A and B is the set of all the elements which are either in A or in B or in both A and B. It is denoted by. 2) Intersection of Sets:. The intersection of two sets A and B is the set of all the elements which are common to both A and B. It is denoted by. 3) Difference of Two Sets:. Is the set of all those elements of A which are not elements of B. Is the set of all those elements of B which are not elements of A. Let A and B be two sets.
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GRAPH OF FUNCTIONS – E-Maths
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XII Full Syllabus Test. To draw the graph for any function, we need to take some positive and negative values of. Then find the corresponding values of. And make the line or curve by joining the points obtained. Are co-ordinates of centre and. Is the radius of the circle. Principle of Mathematical Induction. Angle between two lines. Centre of a circle. Circular system of measurement. Condition for parallelism and perpendicularity of two lines. Equality of complex numbers. Equation of a line.
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XII_CBSE_Assignment – E-Maths
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XII Full Syllabus Test. 1 Relations and Functions. 2 Inverse Trigonometric Functions. 5 Continuity and Differentiability, Differentiation. 6 Application of Derivatives. 8 Application of Integrals. 11 Three Dimensional Geometry. Principle of Mathematical Induction. Conjugate of a complex number. Conversion of degrees into Radians. Conversion of Radians into Degree. Distance from a point to the given line. Equation of a line. Equation of a line in parametric form. Equation of a line parallel to x - axis.
emaths.in
XI_CBSE_Assignment – E-Maths
http://emaths.in/xi_cbse
XII Full Syllabus Test. XI CBSE Chapter 1. Principle of Mathematical Induction. Addition of complex numbers. Cardinal number of sets. Conjugate of a complex number. Conversion of Radians into Degree. Equation of a line. Equation of a line parallel to x - axis. Equation of a line parallel to y - axis. Equation of a straight line in different forms. Marking Scheme of Class XII. Radius and centre of circle. Radius of a circle. Slope of a line in two point form. Slope of line parale with x - axis.
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