find the value of given expression when a=0,b=2,c=4 11/7a²+7/13b²-9/8ab please give the answer its urgent because in 1 hr is my exam
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Answer:
(A + B)'s 1 day's work = 1/12
B's 1 day's work = 1 /30
A's 1 day's work = 1/12−1/30=(5−2) /60=1/20
A alone can finish the work in 20 days.
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