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Let’s check out your problem:

Find 
a_(3),a_(4), and 
a_(5).

{:[a_(1)=0],[a_(2)=1],[a_(n)=a_(n-1)+a_(n-2)]:}
Write your answers as integers or fractions in simplest form.

{:[a_(3)=],[a_(4)=],[a_(5)=]:}

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Submit

Find a3,a4 a_{3}, a_{4} , and a5 a_{5} .\newlinea1=0a2=1an=an1+an2 \begin{array}{l} a_{1}=0 \\ a_{2}=1 \\ a_{n}=a_{n-1}+a_{n-2} \end{array} \newlineWrite your answers as integers or fractions in simplest form.\newlinea3=a4=a5= \begin{array}{l} a_{3}= \\ a_{4}= \\ a_{5}= \end{array} \newline \square \newline \square \newline \square \newlineSubmit

Full solution

Q. Find a3,a4 a_{3}, a_{4} , and a5 a_{5} .\newlinea1=0a2=1an=an1+an2 \begin{array}{l} a_{1}=0 \\ a_{2}=1 \\ a_{n}=a_{n-1}+a_{n-2} \end{array} \newlineWrite your answers as integers or fractions in simplest form.\newlinea3=a4=a5= \begin{array}{l} a_{3}= \\ a_{4}= \\ a_{5}= \end{array} \newline \square \newline \square \newline \square \newlineSubmit
  1. Find a4a_{4}: Now, find a4a_{4} using the same formula.a4=a3+a2=1+1=2.a_{4} = a_{3} + a_{2} = 1 + 1 = 2.
  2. Calculate a5a_{5}: Finally, calculate a5a_{5}.\newlinea5=a4+a3=2+1=3a_{5} = a_{4} + a_{3} = 2 + 1 = 3.