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Domain of f is D1 and g is D2. Then domain of f+g is (a)D1/D2 (b) D1-(D1/D2) (C)D2 /(D2/D1) (D) D1 ∩ D2 More than one correct. Explain how?

Domain of f is D1 and g is D2. Then domain of f+g is


(a)D1/D2 (b) D1-(D1/D2) (C)D2 /(D2/D1) (D) D1 ∩ D2


More than one correct. Explain how?

Grade:12th Pass

2 Answers

Ashwin Muralidharan IIT Madras
290 Points
9 years ago

Hi Aditi,

 

For the sum to be defined, both the functions should be defined in the Domain.

 

Which will be possible only when Domain is D1∩D2.

Option (D).

 

Hope that helps.

 

Best Regards,

Ashwin (IIT Madras).

Labajit Kalita
13 Points
6 days ago
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