In: Math
a)
The functions y1 = x^2 and y2 = x^5 are two solutions of the equation
x^2 y ″ − 6 x y ′ + 10 y = 0.
Let y be the solution of the equation x^2 y ″ − 6 x y ′ + 10 y = 3 x^5
satisfyng the conditions y ( 1 ) = 0 and y ′ ( 1 ) = 1.
Find the value of the function f ( x ) = y ( x ) / ln ( x ) at x = 2.
b)
The function y1 = x^5 is a solution of the equation
x^2 y ″ − 11 x y ′ + 35 y = 0.
Let y2 be the solution of this equation satisfying the conditions
y2 ( 1 ) = 0 and y2 ′ ( 1 ) = 2.
Find the value of y2 at x = 2.
c )
The function y1 = x^7 is a solution of the equation
x^2 y ″ − 8 x y ′ + 14 y = 0.
Let y2 be the solution of this equation satisfying the conditions
y2 ( 1 ) = 1 and y2 ′ ( 1 ) = 2.
Find the value of y2 at x = 2.