Question

Terms
a¹ + ( n - 1 ) d

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Answer 1

thats the formula to find nth term

for example

0,2,4,6,8,10

difference= 2-0=2

nth term=a1+(n-1)xd

0+(n-1)x2

0+2n-2

2n-2

the nth term is used to find any term to find the tenth term i use

a10=2(10)-2

a10=18