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Question
What has to be added to (a + b) to get (3a + 2b)?
What has to be added to (a + b) to get (3a + 2b)?
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Solution
The correct option is B 2a + b
given, (a + b) + x = (3a + 2b)
or, x = (3a + 2b) - (a + b)
so, x = 2a + b
2a + b
given, (a + b) + x = (3a + 2b)
or, x = (3a + 2b) - (a + b)
so, x = 2a + b
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