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IF A={(x,y):y=e x , x belongs to R} B={(x,y):y=e -x , x belongs to R}, then find A INTERSECTION B.

IF A={(x,y):y=ex, x belongs to R}


B={(x,y):y=e-x, x belongs to R}, then find A INTERSECTION B.

Grade:11

1 Answers

Badiuddin askIITians.ismu Expert
147 Points
11 years ago

Dear vardaan

y=ehere x can vary from - infinity to + infinity but y can be only positive number

 

so A = {R,positive number}

 

and for y =e-x  x can vary from - infinity to + infinity but y can be only positive number

so B ={R,positive number}

so A intersection B is ={ R,positive number}

 

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