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Find the number of terms in each of the following finite ap I 3,8,13,..............,78

Posted by Ananya Kumari 6 years, 4 months ago

CBSE > Class 10 > Mathematics

1 answers

Harsh Singh 6 years, 4 months ago

A=1 D=3-1=2 AN=78 AN= A+(N-1)D 78=1+2N-2 79=2N N=39.5TH TERM (APPROX) OR 40TH TERM

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CBSE > Class 10 > Mathematics