C-13-Q004mediumsingle_mcqIf f(n)=2nf(n) = 2nf(n)=2n, then f(5)=?f(5) = ?f(5)=?a555b101010c252525d777ব্যাখ্যাSubstituting n=5n = 5n=5 into f(n)=2nf(n) = 2nf(n)=2n gives f(5)=2×5=10f(5) = 2 \times 5 = 10f(5)=2×5=10.