-3/4,1/2,-1/3,2/9 find t12
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Step-by-step explanation:
here a= -3/4. d= 1/2+3/4. = (2+3)/4. 5/4
D= 5/4
12 terms = a+ 11d. -3+11×5/4
-3+55/4
-12+55. 43
-----------=. ------ answer
4. 4
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