Question

pls answer my question fast ​

Answer 1

Answer:

1 pq

2 b-q

Step-by-step explanation:

3and 4 can't answer

mark me brainliest pls

Answer 2

Answer:

it is easy to understand

Step-by-step explanation:

just take

$(2 - \sqrt{5} ) \div (2 + \sqrt{5)} = a$

and

$(2 + \sqrt{5}) \div (2 - \sqrt{5 } ) = \frac{1}{a}$

then

$p + q = a + \frac{1}{a}$

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