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प्रश्न
Verify the following:
(–21) × [(– 4) + (– 6)] = [(–21) × (– 4)] + [(–21) × (– 6)]
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उत्तर
L.H.S. = (−21) × [(−4) + (−6)]
= (−21) × [− 4 − 6]
= (−21) × [−10]
L.H.S. = 210
R.H.S. = [(−21) × (−4)] + [(−21) × (−6)]
= 84 + 126
R.H.S. = 210
Hence, (–21) × [(– 4) + (– 6)] = [(–21) × (– 4)] + [(–21) × (– 6)]
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