Question

x =(4 - 15), find the value of [x+1/x]​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

X+1/x=(4-15^1/2)+(1/4-15^1/2)

rationalising denominator in second term,we get self in term as (4+15^1/2)/16-15=4+15^1/2

therefore,

x+1/x=(4-15^1/2)+(4+15^1/2)

=4+4=8

x+1/x=8

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