Question

If in an A.P,T7=18 AND T18=7 FIND T101

Answer 1

T7=18

T+6d=18..........[1]

T18=7

T+17d=7............[2]

[1]-[2]     T+6d-T-17d=11

-11d=11

d=-1

SUBSTITUTING IN [1]

T=24

T101=24-100

T101=-76

Answer 2

Step-by-step explanation:

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