Math, asked by christin6754, 10 months ago

Find the sum of first 14 terms of the a.p -3, -7, -11.........

Answers

Answered by akshhh88

0

Answer:

The formula for calculating the sum of an arithmetic sequence is:

Sum= n*(a1+an)/2

Sum=14*(-3+-55)/2

=14*-29

=-406

Answer is -406

Previous Question

Next Question

Similar questions

Computer Science, 5 months ago

ITeS enabled services radically reduce _ and improve services s andards...

Hindi, 5 months ago

6. What is active cell?

Math, 5 months ago

093. If p:q::r:s are in proportion, then can we say p*r =q*s Justify your answer...

Math, 10 months ago

solve the following guadratic equation by factorization : x²/9-2/3x+1=0...

Math, 10 months ago

Question 6 The solution for the pair of linear equations 3x + 4y = 0 and 10x + 49 y = 0 is...

World Languages, 1 year ago

plzz help me..... ..... ....

CBSE BOARD X, 1 year ago

Why most of the students score less marks in 9th cbse exam?

English, 1 year ago

PUT PREFIXES IN FOLLOWING WORDS: 1)FORMAL 2)POLITE 3)LIKE 4)ABLE 5)TURN 6)SECURE 7)GUISE 8)PATIENT 9)CONNECT 10)COMFORTABLE 11)OPEN 12)HABIT 13)FRESH 14)KNOWN 15)AGREE 16)AGILITY 17)STORE 18)POSSIBLE 19)INVITED 20)ADJUST 21)TRUST...