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प्रश्न
If a = 3, b = 0, c = 2 and d = 1, find the value of abc − bcd + cda
योग
उत्तर
abc − bcd + cda
= 3 × 0 × 2 − 0 × 2 × 1 + 2 × 1 × 3
= 0 − 0 + 6
= 6
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Concept of Substitution
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