Math, asked by bhavya2331, 10 months ago

if x-1/x=√5 then find the value of x³ -1/x³​

Answers

Answered by riya12398
1

Step-by-step explanation:

x-1/x=√5

x-1=√5x

x=√5x+1

x^3=(√5x+1)^3

x^3=5√5x^3+1+15x^2+3√5x

now find 1/x^3

1/x^3=1/(√5x+1)^3

like this solve this and then subtract both these u will got ur answer ........

hope it will help u

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