Math, asked by shraddhapadmaraju, 8 months ago

Which term of 11+ 9+7 is -13

Answers

Answered by aryan073
0

Step-by-step explanation:

tn=11+(n-1)-3

-13=11-3n+3

-13-11+3n-3

-24+3n-3

-21+3n

n=7

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