Question

Please do this question asap
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Answer 1

⏩Hey mate❤

Given here

x= 9-4√5,

Find here

value of

x-1/x =❓❓

Solution:-

X= 9-4√5

so,

1/x = 1/(9-4√5)

= (9+4√5)/(9+4√5)(9-4√5)

=(9+4√5)/(81-80)

= (9+4√5)

so,

x-1/x= (9-4√5)-(9+4√5)

= 9-4√5-9-4√5

= -8√5

⏩Hopes its helps u

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