Homework Help: math

Posted by lupupa on Tuesday, November 8, 2011 at 11:00am.

1.0 Four square root of seven open bracket two square root of three plus three square root of six minus square root of seven close bracket.

2.0 open bracket three square root of seven minus square root of two close bracket squared.

3.0 Seven divided by square root of twenty minus four divided by the square root of twelve.

4.0 three square root of two divide by the square of twelve minus five square root of three divided by the square root of eight.

5.0 Sixteen square root of twenty four divided by four square root of ninety six.

math - Steve, Tuesday, November 8, 2011 at 3:22pm
You can use [] () + - * / to make things clearer.

1.0
4√7[2√3+3√6-√7]
= 8√21 + 12√42 - 28

2.0
[3√7-√2]^2
= 9*7 - 6√14 + 2
= 65 - 6√14

3.0
7/√20-4/√12
7/2√5 - 4/2√3
7√5/10 - 4√3/6
7√5/10 - 2√3/3

4.0
3√2/√12-5√3/√8
3/√6 - 5√3/2√2
3√6/6 - 5√6/4
-9√6/12
-3√6/4

5.0
16√24/4√96
16√24/8√24
2

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