chapter 2


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Tanya was reading a novel, which had 10 chapters. She spent 1 hour(s) ..
Tanya was reading a novel, which had 10 chapters. She spent 1 hour(s) reading the first chapter and took the same amount of time to read all the other chapters of the novel. She completed reading the novel in 19 hours. Solve the equation 1 + 9 h = 19, to find h , the n..
Composition of two functions or Product of two functions
Let f:AgB and g:AgB be two functions. Thus the composition of two functions f and g denoted by gof or fog is the function from A into C defined by gof = {(a,b) for some c B, (a,c) f and (c,b) g}.Let f:AgB and g:AgB be two functions. Thus the composition of two..
Two angles of projection for the same range
Horizontal range is give by This shows that there are two angles of projection for the same horizontal range i.e., J and (90 o - J ) with the horizontal. The projectile will cover the same horizontal range whether it is thrown at an angle (90 0 ..
Linear equations in two variables
An equation whose graph is a straight line is called a linear equation. (linear means straight). An equation of degree one is linear. A linear equation in two variables is of the form ax + by = c,where ..
Symmetric Difference of two sets
If A and B are two sets, we define their symmetric difference as the set of all elements that belong to A or to B, but not both A and B, and we denote it by A D B. Thu..
Torque in Two and Three Dimensions
Also t can be written in terms of its components Equating (1) and (2..
Derivative of Sum of Two Functions
Let y = u + v, where u and v are differentiable functions of x. or (u + v)' = u' + ..
Gravitational Force between Two Light Objects
Gravitational Force between Two Light Objects - Let us now calculate the force of gravitation existing between two unit masses separated by a unit distance. i.e., m 1 = 1 kg m 2 = 1 kg d = 1m G = 6.6734 x 10 - 1 1 Nm 2 /kg 2..
Two-valued Boolean Algebra
A two valued Boolean algebra is defined on a set of two elements B = {0, 1}, with rules for + and . as shown in the following tables. These rules are exactly the same as the AND, OR and NOT operation..
Linear equations in two variables with examples
Linear equations in two variables - An equation whose graph is a straight line is called a linear equation. (linear means straight). An equation of degree one is linear.An equation whose graph is a straight line is called a linear equation. (linear means straight). An equation of degree o..
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