Question

now is it fine please tell fast ​

Answer 1

Answer:

1-√7

Step-by-step explanation:

given:

a=1+√7

so,first we rationlise it

-6/1+√7*1-√7/1-√7

-6+6√7/1-7

-6+6√7/-6

thus,the value of -6/a is

1-√7

hope this helps u! ^_^

Answer 2

Step-by-step explanation:

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