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Assumptions
The figures known are assumed to be a normal series, that is a series without any violent, unexplained fluctuations in the values. The period intervening the points of known data and the point for which an estimate is required is also considered to be a normal period.
For instance, when we require the interpolation of the population figure for the year 1985, we assume that between 1981 and 1985 there have been no cause for sudden jumps or declines in population such as war, flood, famine, cyclone and the like.
It is also presumed that the increases and decreases take place only at a uniform rate.
For instance, if the population in 1981, was 700 million and in 1991, 850 million, it is assumed that the accretion to the population has taken place at a steady growth rate.
By the method of completion of squares show that the equation 4x 2 +3x +5 = 0 has no real roots. Ans: 4 x 2 +3 x +5=0 ⇒ x 2 + 3/4 x + 5 = 0 ⇒ x 2 + 3/4 x +
As a creative and innovative entrepreneur, we are required to invent or improvise a product or service that benefits the society and the economy, so what do you think is it?
a man buy car at rs.50 and sells it at gain of 14% find the sp
(a) Convert z = - 2 - 2 i to polar form. (b) Find all the roots of the equation w 3 = - 2 - 2 i . Plot the solutions on an Argand diagram.
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tips to memorize my time table
Find out the length of y = ln(sec x ) between 0 x π/4. Solution In this example we'll need to use the first ds as the function is in the form y = f (x). So, let us g
Function notation: Next we have to take a rapid look at function notation. Function notation is nothing more than way of writing the y in a function which will let to simplify not
can anyone solve this assigment: D=lsqrt(3x-5) sqrt(2x)l =3 l -1 1 l
Illustration 1 In a described exam the scores for 10 students were given as: Student Mark (x) |x-x¯| A 60
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