Question

in an A.p, a-6 and d - 3 the find s27​

Answer 1

Answer:

-75

Step-by-step explanation:

222222222222325667

Answer 2

Answer:

a=6

d=3

Sn=n/2 [2a+(n-1)d]

S27=27/2 [2×6+(27-1)3]

=27/2[12+26×3]

=27/2 [90]

=27×45

=1215.

S27=1215....

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