1.

Let A and B be two sub-sets of R x R, defined as follows: A = {(a,b) : a,b in R " and " tan^(-1)a + cot^(-1)b = pi/2} and B={(a,b) : a,b in R " and " sin^(2) a + cos^(2)b =1}, then

Answer»

`A CAP B = {{a,a) : a in R}`
`A cap B = phi`
`A CUP B = R xx R`
`A cup B = {(a,a), a in R}`

ANSWER :A


Discussion

No Comment Found

Related InterviewSolutions