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Expand the function f(x)=P′โ(x) in a series of the form: ∞

∑ A_kP_k(x)

k=0

∑ 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

Weight (in kg) No.of students

0 - 40 250

40 - 60 120

60 - 80 100

80 - 100 70

100 - 120 50

Show that: J_-1/2(x)=√(2/πx)cosx

Xp^2 - 2yp+ax=0

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)

i) J_1/2(x)=√(2/πx)cosx

ii) d/dx[xJ_1(x)]=xJ_0(x)

Expand the function f(x)=P′โ(x) in a series of the form: ∞

∑ A_kP_k(x)

k=0

∑ 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 ;

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

f(t)=

{cos(t-(2π/3)) t>2π/3

{ 0 t<2π/3