Math, asked by unnibimal99gmailcom, 8 months ago



The algebraic form of an arithmetic sequence is 5n+4.
a) What is its first term?
b) What is the difference between its 10th and 20th terms?
c) Find the sum of first 20 terms of the sequence.​

Answers

Answered by Anonymous
9

Answer:

Sequence = 5n + 4

( i ). For first term,

n = 1,

5n + 4 = 5 ( 1 ) + 4

a_{1} = 9

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