NutMeg4351 NutMeg4351

21-02-2024
Mathematics

contestada

Let r and ⋆ be two operations on R define for any a,b∈R by

a⋄b = 3a+3b−1/3 and a∗b=ab/3−1

i) Show that ⋄ has an identity in R. Find the inverse of 3 relative to ⋄ , if it exists.

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