Question 1070767
{{{t[n+1]=t[n]+DELTA*t}}}
{{{y[n+1]=y[n]+DELTA*t*f(x[n],y[n])}}}
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{{{t[0]=0}}}
{{{y[0]=5}}}
{{{DELTA*t=0.5}}}
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{{{t[1]=t[0]+0.5=0+0.5=0.5}}}
{{{y[1]=y[0]+0.5(4y[0])=3y[0]=3(5)=15}}}
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{{{t[2]=t[1]+0.5=0.5+0.5=1}}}
{{{y[2]=y[1]+0.5(4y[1])=15+2(15)=45}}}