Math, asked by raviranjan3953, 7 months ago

7. Find the sum of the following AP: 2, 7, 12, … to 15 terms.

Answers

Answered by dsk75

0

Answer:

=>15a+d(0+1+2+.......+15)

=>15.2 + 5(16.17/2)

=>30+5(136)

=>30+680

=>710

Answered by kenzex007

0

Answer:

we know that the sum formula of AP is n/2[2a+(n-1)d]

therefor by the formula given a=2.. d=5.. the answer is 555

Previous Question

Next Question

Similar questions

Math, 3 months ago

3 31 ABCD is a rhombus and P, Q, R and S are the mid-points of the sides AB, BC DA respectively. Show that the quadrilateral PQRS is a rectang...

English, 3 months ago

match the synonyms 1]trauma. 1.move 2.coop. 2.still 3.stir. 3. great distress 4.motionless 4.cage of poultry ...

Hindi, 3 months ago

(क) माँ ने घड़ी का क्या किया ?

Social Sciences, 7 months ago

Which One Of The Following Political Parties Seek S To Represent And A Group Of People Who Came Close To Each Other To Attain Their Common Aim Of Power Is Known As Political Party Political Leadership Interest Group Fractional Group kon Shi hai...

Social Sciences, 7 months ago

Read the extract and answer the questions that follows: Agriculture which provides livelihood for more than 60 per cent of its population, needs some serious technical and institutional reforms. Thus, collectivisation, consolidation of holdings, cooperation and abolition of zamindari, etc. were given priority to bring about institutional reforms in the country after...

English, 11 months ago

How did animal farm compared to another work in this genre...

Science, 11 months ago

how many types of cells can be seen in stem of plant...

Science, 11 months ago

Answer the following questions : 1. Suggest two methods for finding the direction of the wind at a given place without the help of any instruments. It is of class 7...