Question

d) Consider the binary operation \( a * b=a+b-2 a b \), where \( a \) and \( b \) are real numbers. (i). Is * commutative? Justify your answer (ii) Compute \( 3^{}\left(2^{} 1\right) \)

          d) Consider the binary operation \( a * b=a+b-2 a b \), where \( a \) and \( b \) are real numbers.
(i). Is * commutative? Justify your answer
(ii) Compute \( 3^{*}\left(2^{*} 1\right) \)

d) Consider the binary operation a * b=a+b-2 a b, where a and b are real numbers.
(i). Is * commutative? Justify your answer
(ii) Compute 3^*(2^* 1)

Added by Gregg M.

NCERT Class 12 Part 1 - Math

Pawan K. Jain 2005 Edition

Chapter 1

Instant Answer

Solved by Expert Nathan Smith

Step 1

- A binary operation * is commutative if \( a * b = b * a \) for all real numbers \( a \) and \( b \). Show more…

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d) Consider the binary operation \( a * b=a+b-2 a b \), where \( a \) and \( b \) are real numbers. (i). Is * commutative? Justify your answer (ii) Compute \( 3^{*}\left(2^{*} 1\right) \)