if a=1+√7,find the value of-6/9
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Answered by
21
- 6
-------------------
1 + √7
- 6 [ 1 - √7 ]
--------------------------------
[ 1 + √7 ] [ 1 - √7 ]
6 √7 - 6
------------------
- 6
1 - √7
-------------------
1 + √7
- 6 [ 1 - √7 ]
--------------------------------
[ 1 + √7 ] [ 1 - √7 ]
6 √7 - 6
------------------
- 6
1 - √7
Answered by
9
- 6
-------------------
1 + √7
- 6 [ 1 - √7 ]
--------------------------------
[ 1 + √7 ] [ 1 - √7 ]
6 √7 - 6
------------------
- 6
1 - √7
-------------------
1 + √7
- 6 [ 1 - √7 ]
--------------------------------
[ 1 + √7 ] [ 1 - √7 ]
6 √7 - 6
------------------
- 6
1 - √7
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