Asked by Oga Buhari
an operation * on the set of R of real numbers is defined by
a*b= 2a +2b-3 for all a,b£R. Find the inverse x£R
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2?
a*b= 2a +2b-3 for all a,b£R. Find the inverse x£R
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2?
Answers
Answered by
oobleck
what is the identity element? I'm assuming it's 0, since only addition is involved. So, you want to find c such that x*c = 0
x*c = 2x+2c-3 = 0
c = 3/2 - x
x*c = 2x+2c-3 = 0
c = 3/2 - x
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