Question:
Starting from (–1) × 5, write various products showing some pattern to show (–1) × (–1) = 1.
Starting from (–1) × 5, write various products showing some pattern to show (–1) × (–1) = 1.
Updated On: Jul 10, 2024
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Solution and Explanation
(-1) × 5 = -5
(-1) × 4 = -4 = (-5) + 1
(-1) × 3 = -3 = (-4) + 1
(-1) × 2 = -2 = (-3) + 1
(-1) × (1) = -1 = (-2) + 1
(-1) × 0 = 0 – (-1) + 1
(-1) × (-1) = 1 = 0 + 1
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