faisalbaig7715492469 faisalbaig7715492469

19-02-2020
Mathematics

contestada

the sum of the first ten terms of A.P. 15,10,5,-----------is----------------

(a) -75 (b) -125 (c) 75 (D) 125

Respuesta :

KhanAsrar80045 KhanAsrar80045

19-02-2020

Step-by-step explanation:

First term(a)=15

Second term(t2)=10

Common difference(d)=t2-a=10-15= -5

Answer is -75

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