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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) × (–1) |
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Answer» (b) (–1) × (–1) × (–1) Since, (–1) × (–1) = 1 (–1) × (–1) × (–1) × (–1) = 1 (–1) × (–1) × (–1) × (–1) × (–1) × (–1) = 1 But, (–1) × (–1) × (–1) = -1 |
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