Question

Solve question 3 please and remember the answer is 3.8

Answer 1

Answer:

4.2

Step-by-step explanation:

√20=√5*2*2=2√5

5/(2√5-√10)

5/(2*2.2-3.2)

5/(4.4-3.2)

5/1.2

4.166=4.2

Answer 2

Answer:

4.1666666.......

Step-by-step explanation:

$5 \div (2 \sqrt{5} - \sqrt{10} )$

$5 \div (2 \times 2.2 - 3.2)$

= 5/(4.4-3.2)

=5/1.2

=4.1666666666666

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