Question

1) Simplify:√81- √32
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Answer 1

@brainly..

✓81=9

✓32=✓2×2×2×2×2

4✓2

Thus,

9+4✓2 is the correct answer ...

Answer 2

Answer:

$= > \sqrt{81} - \sqrt{32} \\ = > \sqrt{3 \times 3 \times 3 \times 3} - \sqrt{2 \times 2 \times 2 \times 2 \times 2} \\ = > 3 \times 3 - (2 \times 2 \times \sqrt{2} ) \\ = > 9 - 4 \sqrt{2} .$