Question

AP a = 5, d = 3, 016-50. Find the
Sum of
of 16 terms.​

Answer 1

Answer:

440

Step-by-step explanation:

a=5

d=3

S16= (2a+(n-1)d)n/2

=(2×5+(16-1)3)×16/2

=(10+15×3)×8

=(10+45)×8

=55×8

=440

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