Q. 94.3( 6 Votes )

If A = {(x, y) : y = ex, xR} and B = {(x, y) : y = ex, xR}, then write .

Answer :

Here, and



AB={(x,y):y=ex ,xϵR} and {(x,y):y=e-x ,xϵR}


={(x,y):y= ex and y= e-x xϵR}


={(x,y): ex = e-x xϵR}



={(x,y):e2x =1,xϵR}


={(0,1)} ( )


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