Math, asked by Smohammedraneef, 6 months ago

If an=2n-1 then find S2? And pls say should we use sum formula or just substitute?

Answers

Answered by santaradevi

0

Answer:

answer is here

Step-by-step explanation:

no use of sum formula

please mark me as brainliest.

Attachments:

Previous Question

Next Question

Similar questions

Biology, 3 months ago

While the ball is flying through the air, which of the following objects is pulling on it with a gravitational force?

Music, 3 months ago

WHAT IS IONISATION ??

Science, 3 months ago

how are water and minarel transported in plants...

English, 6 months ago

Dear Diary, We had been looking forward to the picnic...since ...... Monday when the teacher made the announcement. the venue was fixed, the arrangements were made... the date was finalised, we had to take the permission of our parents. The teacher said that we could go on Saturday the school bus was available. We were told to behave ourselves excited we didn't get into any trouble. We were...

Environmental Sciences, 6 months ago

ans the question how do you know that we have got a disease?

Math, 10 months ago

evaluate root 5 + 2 root 2 whole square minus root 5 minus root 8 the whole square ...

Science, 10 months ago

Make a list of the properties of matter ...

Environmental Sciences, 10 months ago

how does refrigerants been adversely affecting our environment?