Maths-
General
Easy

Question

Write recursive formula and find the first term. a subscript n equals 35 plus 52 n

hintHint:

  • Recursive Formula is a formula that defines the each term of sequence using the previous/preceding terms.
Explanation:

The correct answer is: a_(n-1)=a_n-12.


    Explanation:
    • We have given a explicit function a subscript n equals 35 plus 52 n.
    • We have to find the recursive formula and first term.
    Step 1 of 2:
    We have given explicit formula a subscript n equals 35 plus 52 n.
    First term will be

    table attributes columnalign right left right left right left right left right left right left columnspacing 0em 2em 0em 2em 0em 2em 0em 2em 0em 2em 0em end attributes row cell a subscript n equals 35 plus 52 n end cell row cell a subscript 1 equals 35 plus 52 left parenthesis 1 right parenthesis end cell row cell a subscript 1 equals 87 end cell end table
    Step 2 of 2:
    Now for recursive formula we will calculate an-1.
    So,

    table attributes columnalign right left right left right left right left right left right left columnspacing 0em 2em 0em 2em 0em 2em 0em 2em 0em 2em 0em end attributes row cell a subscript n minus 1 end subscript equals 35 plus 52 left parenthesis n minus 1 right parenthesis end cell row cell a subscript n minus 1 end subscript equals 35 plus 52 n minus 52 end cell row cell a subscript n minus 1 end subscript equals a subscript n minus 52 end cell end table

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