A. a+b/2
B. 2ab/a+b
C. √ab
D. None of these
(Sponsored by Sir Tauqeer)
(Sponsored by Sir Tauqeer)
(Sponsored by Sir Tauqeer)
(Sponsored by Sir Tauqeer)
(Sponsored by Sir Tauqeer)
(Sponsored by Sir Tauqeer)
A. a+b/2
B. 2ab/a+b
C. √ab
D. None of these
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