Question

37,33,29, find APof the sum​

Answer 1

Answer:

a=37

an=29

S3=?

Step-by-step explanation:

S3=3/2(37+29)

S3=3/2(66)

S3=99

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Answer 2

Step-by-step explanation:

GIVEN : AP = 37,33,29 ., a = 37., d = 33 - 37 = (-4) n= 3

SUM = n/2(2a + (n - 1) d

S = 3/2(2×37 + (3 - 1) (-4)

S = 1.5(74 - 8)

S = 1.5(66)

S = 99