first term of an arithmetic sequence is f, common difference is d.
a, What is its fifth term ?
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first term of an arithmetic sequence is f, common difference is d.
a, What is its fifth term ?
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Answer:
given- a1 =f
d= d
to find- a5
Using formulae a(n)th= a +(n-1)d
a+(5-1)d
f+4d