Ex 1.2, 2 - Verify: (b) (–21) × [(– 4) + (– 6)] = [(–21) × (– 4)] + [( - Ex 1.2

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Ex 1.2, 2 Verify the following: (b) (–21) × [(– 4) + (– 6)] = [(–21) × (– 4)] + [(–21) × (– 6)](–21) × [(– 4) + (– 6)] = −21 × [−4 − 6] = −21 × − [4 + 6] = −21 × −10 = 21 × 10 = 210 [(–21) × (– 4)] + [(–21) × (– 6)] = [21 × 4] + [ 21 × 6] = 84 + 126 = 210 Since LHS = RHS Hence verified

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