Question

Any one plz give me answer ​

Answer 1

Step-by-step explanation:

$i) \: \: \: \: \: \: \: 4 {a}^{2} + 4 + \frac{1}{ {a}^{2} } = {{(2a}^{} + \frac{1}{a} )}^{2} .$

$ii) \: \: \: \: \: \: \: sum \: of \: length \: of \: any \: two \: sides \: of \: a \: triangle > length \: of \: the \: third \: side. \\ \\ \\ \\ p = length \: of \: the \: perpendicular = \sqrt{ {5}^{2} - {3}^{2} } \\ \\ = 4 \: cm.$