00 00 1) Is it necessarily true that if t1, t2, t3,. . . are positive and E tn converges, then X: t: also converge n=l n=1 Either prove that it is true or nd a counterexample to prove that it is false. [2 mark 2) What if we remove the restriction that the terms be positive from the previous question? That 00 .._ _ _ . - .'1_ .. . ._ . _- _