Browse · MATH Print → jmc algebra junior Problem For each pair of real numbers a=b, define the operation ⋆ as (a⋆b)=a−ba+b.What is the value of ((1⋆2)⋆4)? Solution — click to reveal First we have (1⋆2)=1−21+2=−3.Then ((1⋆2)⋆4)=(−3⋆4)=−3−4−3+4=−71. Final answer -\frac{1}{7} ← Previous problem Next problem →