Question

Expand the brackets and simplify please help

Answer 1

Answer:

46.None of these.

47.None of these.

Step-by-step explanation:

46.(2√5-√2)^2

=20+2-2√10

=22-2√10

47. 4√5/√3

= 4√5×√3/√3×√3

= 4√15/3

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