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प्रश्न
Find the sum of the following expressions
a + 5b + 7c, 2a + 10b + 9c
बेरीज
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उत्तर
(a + 5b + 7c) + (2a + 10b + 9c) = a + 5b + 7c + 2a + 10b + 9c
= a + 2a + 5b + 10b + 7c + 9c
= (1 + 2)a + (5 + 10)b + (7 + 9)c
= 3a + 15b + 16c
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पाठ 3: Algebra - Exercise 3.2 [पृष्ठ ६३]
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