Math, asked by yesubabu22, 9 months ago

Find The sum Of First 12Terms Of Ap 1000,950,900?

Answers

Answered by chayasigh1

0

Step-by-step explanation:

An= a+(n-1)d

A12=a+(12-1)d

A12=a+11d

Answered by harikishore240

1

Answer:

8700

Step-by-step explanation:

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

S12=6(2000+(-550))

=6×1450

=8700

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