Sequence (un un) 1s comveeigeu (iv) give an example of divergent sequences (un and (un) such that the sequence (unun) is convergent.

take un = (-1)^(n) vn = (-2)^n uv= 2 here un and vn is divergent sequence and uv id convergence sequence. or u can take same sequence u and v = (-1)^n