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जोड़िए: 3p2q2 - 4pq + 5, - 10p2q2, 15 + 9pq + 7p2q2 - Mathematics (गणित)

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Question

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

Sum

Solution

(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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बीजीय व्यंजकों का योग
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Chapter 12: बीजीय व्यंजक - प्रश्नावली 12.2 [Page 256]

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NCERT Mathematics [Hindi] Class 7
Chapter 12 बीजीय व्यंजक
प्रश्नावली 12.2 | Q 2. (viii) | Page 256
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