f(x) is a differentiable function such that f(1/x)=0 for every x belongs to N , then which of the following is/are correct;A) f(0)=0 C) f(1)=0B) f(0)=0 D) f(1)=0

A Pelton wheel works under a water power of 1.3MW. The hydraulic efficiency of turbine is 95%. Find runner power developed. If mechanical efficiency of turbine is 90%. Find overall efficiency and shaft power of turbine.

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hello sir mere jee main 2021 me 98.1 persentile h ,meri rank kya hogi ,also i belog to obc categry so please tell me also the obc rank . please A humble request by a student