Question

(v) the 15th term of the AP-40, -15, 10, 35, ....​

Answer 1

Answer:

D= -15+40= 25

a15= a+(n-1)d

A15=-40+350

A15=310

Answer 2

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Answer:

D= -15+40= 25

a15= a+(n-1)d

A15=-40+350

A15=310