Math, asked by sashankvenkat2005, 1 year ago

find the sum of first term of the a. P. 3,15,27,39,.........

Answers

Answered by devesh5ruku

1

Step-by-step explanation:

sum of terms = n/2(a+d)

n= 4

a=5

d=39

sum of terns = 4/2(5+39)

=2(44)

= 88

sum of terms = 88

Answered by dancewithneha14

2

Step-by-step explanation:

Sum of terms = n/2(a+d)

n=4 a=5 d=39

Sum of terms = 4/2(5+39)

=2(44)

=88

❤ Thank you❤

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