Q. 15.0( 1 Vote )

Find the identity

Answer :

Given that binary operation ‘*’ is valid for set ‘I + ’ of all positive integers defined by a*b = a + b for all a,bI +.

Let us assume aI + and the identity element that we need to compute be eI +.

We know that he Identity property is defined as follows:

a*e = e*a = a

a + e = a

e = a – a

e = 0

The required Identity element w.r.t * is 0.

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