Math, asked by aaryasubhash2004, 4 months ago

if in an AP first time is 7 and last term is 125 the sum of first 15 terms is

Answers

Answered by sharmasonam39675

0

Answer:

60 terms

Step-by-step explanation:

thanks for asking

Answered by abhishekkumar8054

0

Answer:

a=7 ,n=15

an=125

s15=n/2[a+an]

= 15/2[7+125]

=15/2×132

15×66

=990

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