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  • Encircle the odd one of the following : (a) (–1) × (–1) (b) (–1) × (–1) × (–1) (c) (–1) × (–1) × (–1) × (–1) (d) (–1) × (–1) × (–1) × (–1) × (–1)

Encircle the odd one of the following  :

 (a) (–1) × (–1) (b) (–1) × (–1) × (–1) (c) (–1) × (–1) × (–1) × (–1) (d) (–1) × (–1) × (–1) × (–1) × (–1)

Answers (1)

(b)

\\ (a) \(-1) \times(-1)=1 \\ (b) \ (-1) \times(-1) \times(-1)=-1 \\ (c) \ (-1) \times(-1) \times(-1) \times(-1)=1 \\ (d) \ (-1) \times(-1) \times(-1) \times(-1) \times(-1) \times(-1)=1 \\

(-1) \times(-1) \times(-1) is different from other options.

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Ravindra Pindel

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