i) 3√√64-1 =
j)√31+6√10-√84-√9 =
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j)
√31 + 6√10 - √84 - √9
√31 + 6√10 - √4.√21 - 3
= √31 + 6√10 - 2√21 - 3
__________________________________
84: 2
42: 2
21: 3
7: 7
1 = 2.2.3.7 = √4.√21
**********************************************
l)
3√√64 - 1
4
3 √64 - 1
4 __ 4 ____
4 2
3. √2 . √ 2 - 1
4__
3.2.√4 - 1
4__
= 6 √4 - 1
__________________________________
64: 2
32: 2
16: 2
8: 2
4: 2
2: 2
1
√31 + 6√10 - √84 - √9
√31 + 6√10 - √4.√21 - 3
= √31 + 6√10 - 2√21 - 3
__________________________________
84: 2
42: 2
21: 3
7: 7
1 = 2.2.3.7 = √4.√21
**********************************************
l)
3√√64 - 1
4
3 √64 - 1
4 __ 4 ____
4 2
3. √2 . √ 2 - 1
4__
3.2.√4 - 1
4__
= 6 √4 - 1
__________________________________
64: 2
32: 2
16: 2
8: 2
4: 2
2: 2
1
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