Question

Find 15 term of AP - 12 - 8 - 4....

Answer 1

Step-by-step explanation:

a=-12

d= 4

T15= -12+(15-1)(4)

T15=-12+56

T15=44

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Answer 2

Answer:

tn=a+(n-1)d

-12+(n-1)*×-20=the result 9f n value is 7/20