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प्रश्न
Find the sum of the following expressions
5xyz – 3xy, 3zxy – 5yx
योग
उत्तर
5xyz – 3xy + 3zxy – 5yx = 5xyz + 3xyz – 3xy – 5xy
= (5 + 3)xyz + [(– 3) + (– 5)]xy
= 8xyz + (– 8)xy
= 8xyz – 8xy
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