The algebraic form of an arithmetic sequence is 5n+3 a) What is its first term ? b) What is itscommon difference ? c) Write the arithmetic sequence . d)Find the 10th term .
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Answer:
an=5n+3
To find the first term, put n=1 in this equation
a1=5×1+3=8
a2=5×2+3=13
common diff =13-8=5
sequence is 8, 13, 18, 23
a10=8+9×5=53
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