Question

if A={x<=3X€N}, B={x:-1<=x<=2,x€Z} and c={x:x2-5x+6,x€R} considering U=R verfiy​

Answer 1

CG and and and research a 7r9in and f

Answer 2

ANSWER

A={xϵz:2

(x+2)(x

2

−5x+6)

=1}

2

(x+2)(x

2

−5x+6)

=2

0

⇒x=−2,2,3

A={−2,2,3}

B={xϵZ:−3<2x−1<9}

B={0,1,2,3,4}

A × B has is 15 elements so number of subsets of A × B is 2

15

.

pls make me as Brainliest answer