Question

proove that. :-....

Answer 1

★ Heya★

$(2) {}^{n} + (2) {}^{n} \times (2) {}^{ - 1} \\ - - - - - - - - \\ (2) {}^{n} \times (2) {}^{1} - 2 {}^{n} \\ \\ becoz \: \: x {}^{a - b} = x {}^{a} \times x {}^{ - b} \\ \\ 2 {}^{n} (1 + 2 {}^{ - 1} ) \\ - - - - - \\ 2 {}^{n} (2 - 1) \\ \\ (1 + 1 \div 2) \\ \\ 3 \div 2$