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The binary operation**: RxxR->R is defin...

The binary operation`**: RxxR->R` is defined as `a**b=2a+b`. Find `(2**3)**4`.

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We have given that , the binary operation * on R is defined by `a`*`b=2a+b`.
`2`*`3=2xx2+3=4+3=7`
Therefore,
`(2`*`3)`*`4=7`*`4=2xx7+4=14+4=18`.
Hence the value of `(2`*`3)`*`4=18`
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