Question

If x=3 and y=2 then find the value of(x^x+y^y)^-1

Answer 1

$HEYA \: \\ \\ (x {}^{x} + y {}^{y} ) {}^{ - 1} \\ \\ (3 {}^{3} + 2 {}^{2} ) {}^{ - 1} \\ \\ (27 + 4) {}^{ - 1} \\ \\ (31) {}^{ - 1} \\ \\ 1 \div 31 \\ becoz \: \: m {}^{ - n} = 1 \div m {}^{n}$