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Expand the function f(x)=P′โ‚ƒ(x) in a series of the form: ∞
∑ A_kP_k(x)
k=0
From the following data, find the number of students having weight between 60 and 70.
Weight (in kg) No.of students
0 - 40 250
40 - 60 120
60 - 80 100
80 - 100 70
100 - 120 50
Under certain condition cane sugar in water is converted into dextrose at a rate which is proportional to the amount unconverted at any time. If of 75 gm, at time=0,89gm,are converted during the first 30 minutes,, the amount converted in one and half hours is
Using Rodrigue’s formula, obtain the expression for the Hermite polynomial Hโ‚„(x)
Show that:
i) J_1/2(x)=√(2/πx)cosx
ii) d/dx[xJ_1(x)]=xJ_0(x)
Expand the function f(x)=P′โ‚ƒ(x) in a series of the form: ∞
∑ A_kP_k(x)
k=0
Using the method of Laplace transform, solve the following initial value problem:
y′′-3y′+2y=4e²แต— ;
y(0)=-3 ;
y′(0)=5 ;
Determine the Laplace transform of the function:
f(t)=
{cos(t-(2π/3)) t>2π/3
{ 0 t<2π/3
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