0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Question

Let A={(x,y):y=ex,xR}
B={(x,y):y=ex,xR}. Then
  1. AB=ϕ
  2. ABϕ
  3. AB=R2
  4. none of these

A
none of these
B
AB=ϕ
C
ABϕ
D
AB=R2
Solution
Verified by Toppr

Ans. (b).
y=ex, y=ex, meet where ex= ex or e2x=1
x=0 and hence y=1. These curve meet at (0,1) so that AB=(0,1).
In other words ABϕ.

Was this answer helpful?
7
Similar Questions
Q1
Let A={(x,y):y=ex,xR}
B={(x,y):y=ex,xR}. Then
View Solution
Q2
If A=x, y : y=ex, x R and B=x, y : y=e-x, x R, then write AB.
View Solution
Q3
If A={(x,y):y=ex,xR},B={(x,y):y=x,xR}, then
View Solution
Q4

If A={(x,y):y=ex,x belongs to R} and B={(x,y):y=e-x,x belongs to R}, then write A intersection B.

View Solution
Q5
If A={(x,y):y=ex,xR} and B={(x,y):y=x,xR}, then
View Solution