Question

[(2)^-1+(4)^-1+(3)^ -1]^-1​

Answer 1

[(2)^-1 + (4)^-1 + (3)^-1]^-1

➪ [1/2 + 1/4 + 1/3] ^-1

➪ [13/12] ^-1

➪ [12/13] ....... (ans)