Q. 113.8( 5 Votes )

If a ⋆</spa

Answer :

Given, a*b=ab+a+b…….(1)

Now, y=3 * x + 1 * 2

⇒ y = 3x + 3 + x + 2 + 1 + 2 (Using (1))

⇒ y = (3x + x) + (3 + 2 + 1 + 2)

⇒ y = 4x + 8

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