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A binary operation (+)is defined on the set R of real numbers by a(+)b=a2+b2 -ab for all a,b,e,r solve the equation 4(+)a=28​
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A binary operation (+)is defined on the set R of real numbers by a(+)b=a2+b2 -ab for all a,b,e,r solve the equation 4(+)a=28​

User Pratik Joshi
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Answer:

m,

Explanation:

User KiKMak
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