Question

how to solve the sum??

Answer 1

[tex] 6 ^{x+y}*6 ^{y+z} *6 ^{z+x} =6*6*6 ^{x+y+y+z+z+x} =216 ^{2x+2y+2z}=216 ^{2} ^{(x+y+z)} [/tex]and