Math, asked by arjundholpur, 1 year ago

find the sum of first 19 terms of an ap, whose nth term is giver by Tn =7-4n

Answers

Answered by abhi2110

0

Answer:

-627{by using AP formula an=a+(n-1)d

Attachments:

Previous Question

Next Question

Similar questions

India Languages, 6 months ago

देही कानि शरीराणि त्यजति? (क) जीर्णानि (ख) नवानि (घ) स्थूलानि...

Math, 6 months ago

write the names of arcs with end points A and C...

English, 6 months ago

please tell me is this right ...

Physics, 1 year ago

help please for my assignment ...

Social Sciences, 1 year ago

what were the two difficult circumstances faced by India when Indian Constitution was drafted...

Chemistry, 1 year ago

what is the molar mass of $Fe_{2} (SO_{4})_{3}$ ?

Biology, 1 year ago

Discuss International initiative for mitigating global change.

Biology, 1 year ago

What is algal bloom? (Topic: Environmental Issues)...