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Add: 3p2q2 - 4pq + 5, - 10p2q2, 15 + 9pq + 7p2q2 - Mathematics

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प्रश्न

Add: 3p2q2 - 4pq + 5, - 10p2q2, 15 + 9pq + 7p2q2

उत्तर

(3p2q2 - 4pq + 5) + (-10 p2q2) + (15 + 9pq + 7p2q2)

= 3p2q2 - 4pq + 5 - 10 p2q2 + 15 + 9pq + 7p2q2

= 3p2q2 - 10 p2q2 + 7p2q2 - 4pq + 9pq + 5 + 15

= p2q2 (3 - 10 + 7) + pq (-4 + 9) + 5 + 15

= 5pq + 20

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पाठ 12: Algebraic Expressions - Exercise 12.2 [पृष्ठ २३९]

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एनसीईआरटी Mathematics [English] Class 7
पाठ 12 Algebraic Expressions
Exercise 12.2 | Q 2.08 | पृष्ठ २३९

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