Question Number 89505 by AnsarFawaz last updated on 17/Apr/20
Answered by TANMAY PANACEA. last updated on 17/Apr/20
$$\left.{i}\right){two}\:\:{at}\:+\infty\:\:{and}\:−\infty \\ $$$$\left.{ii}\right){one}\: \\ $$$$\left.{iii}\right){three} \\ $$