Question

Find the value of x-1/X, if x=8-3root7

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

as according to questions :----->>

8-3root7-1/8-3root7

7-3root7/ 8-3root 7

as rationalising to up and down by 8+3root7

(7-3ropt7)(8+3root 7 ) /(8-3root7)(8+3root7)

56+21root7-24root7-63/64+24root7-24root7 -63

-7-3root7/1

-(7+3root7)=0

7+3root7 is answer.

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