Math, asked by 9968419120, 1 year ago

if a=1+√7,find the value of-6/9

Answers

Answered by flower161
21
- 6 
------------------- 
1 + √7 

- 6 [ 1 - √7 ] 
-------------------------------- 
[ 1 + √7 ] [ 1 - √7 ] 

6 √7 - 6 
------------------ 
- 6 

1 - √7
Answered by Anonymous
9
- 6 
------------------- 
1 + √7 

- 6 [ 1 - √7 ] 
-------------------------------- 
[ 1 + √7 ] [ 1 - √7 ] 

6 √7 - 6 
------------------ 
- 6 

1 - √7
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