Question

Determine 27th term of an AP whose 9th term is -10 and common difference is 1 1/4

Answer 1

Answer:

79/2

Step-by-step explanation:

d=11/4

9th term= a+8d=-10

a+8(11/4)=-10

a+22=-10

a=-10-22=-32

27th term = a+26d

-32+26(11/4)=-32+143/2=(-64+143)/2=79/2

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