Math, asked by Amansingh4686, 1 year ago

the sum of the
number of the series 9, 5,1 ........ to 100 terms is​

Answers

Answered by Anonymous
0

Answer:

S(100) = 100/2 [ 2*9 + ( 100 - 1) (-4)]

S 100 = 50 [ 18 - 396]

S 100 = 50 * ( - 378)

S 100 = - 18900

Similar questions