Math, asked by phash2014, 9 months ago

Hi, I need it urgently ......................

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Answers

Answered by Innu5505
1

Answer:

a+(n-1)d=an

Step-by-step explanation:

2+(n-1)3=2+3n-2=3n ans

9+(n-1)2=9+2n-2=7+2n ans

Answered by srijansarvshresth123
1

Step-by-step explanation:

in 1st case, a=2;d=3

tn = a+(n-1)d

=2+3n-3

=3n-1

in 2nd case, a=9;d=2

tn = a+(n-1)d

=9+2(n-1)

=2n+7

Hope it is helpful for you

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