Question

pls solve it fast pls​

Answer 1

Answer:

the answer of question no. 4 will be 2 (option no. 4)

ns the answer of question no. 5 will be 9(option no. 3)

Answer 2

Step-by-step explanation:

5.If x + 1/x = 3 , then

${x}^{2} + \frac{1}{ {x}^{2} } = ( {x + \frac{1}{x} )}^{2} - 2 \times x \times \frac{1}{x}$

$= ( {3)}^{2} - 2 \: \: \: \:$

$= 9 - 2$

$= 7$

The value of the expression is 7.