find the inverse and prove it

Algebra
Tutor: None Selected Time limit: 1 Day

As before, R2 denote the set {(a, b) : a, b (--R}. We define the operation : R2 x R2 ⇥ R2 by (a, b) x (c, d) = (a + c + 5, 2 · b · d), 

Find the +,- inverse of the element (2, 5),if it exists, prove it 

Feb 20th, 2015

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Feb 20th, 2015

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Feb 20th, 2015
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Feb 20th, 2015
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