Question

sum of first 5 multiples of 3 is...
(By A.P)​

Answer 1

Answer:

sum of first 5 multiples of 3 is = 45

Step-by-step explanation:

first 5 multiple of 3

= 3,6,9,12,15

sn= n/2(a+l)

s5= 5/2(3+15)

s5= 5/2×18

s5= 45

Answer 2

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$\huge \orange \bigstar$