Mathematics: (7)-0, at the points x 71, 72, 73, 74, and 7.5 use euler s method with step size 0.1 to approximate the solution to the initial value pro oblemy - 2x+y the approximate solution to y =2x-y? .y(7)=0, at the point x = 71 is (round to five decimal places as needed.)

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(7)-0, at the points x 71, 72, 73, 74, and 7.5 - id7071727374752307274, mt137896

chassidytjtrimb

02.01.2022

2.68

Step-by-step explanation:

We are given that x_0=7,x_1=7.1,x_2=7.2,x_3=7.3,x_4=7.4,x_5=7.5

h=0.1

y'=2x-y

y(7)=0,f(x,y)=2x-y

x_0=7,y_0=0

We have to find the approximate solution to the initial problem at x=7.1

y_1=y_0+hf(x_0,y_0)

Substitute the value then, we get

y_1=0+(0.1)(2(7)-0)=0+(0.1)(14)=1.4

y_1=1.4

x_1=x_0+h=7+0.1=7.1

y_2=y_1+hf(x_1,y_1)

Substitute the values then, we get

y_2=1.4+(0.1)(2(7.1)-1.4)=1.4+(0.1)(14.2-1.4)=1.4+(0.1)(12.8)=1.4+1.28

y_2=1.4+1.28=2.68

Hence, the approximation solution to the initial problem at x=7.1 is =2.68

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