Question

plz answer me 7th question
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Answer 1

Answer:

your answer is here:-

Step-by-step explanation:

ANSWER- a) 3n-1

Explanation:- Formula used= a+ (n-1) d

a= 2

d= 3

= 2+ (n-1) 3

= 2+ 3n - 3

= 3n - 1

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Answer 2

Step-by-step explanation:

a=2

d=5-2=3

so they're asking nth term

a+(n-1)d is the formula

substitution

2+(n-1)3

2+3n-3

3n-1

hope this helps

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