Question

If a= 1-√2 , find (a - 1/3)^3​

Answer 1

Step-by-step explanation:

⭐A=1-√2

✔1/a=1/(1-√2)

✔or, 1/a=(1+√2)/(1-√2)(1+√2)

✔or, 1/a=(1+√2)/(1-2)

✔or, 1/a=-(1+√2)

✔∴, (a-1/

✔a)³=[(1-√2)-{-(1+√2)}]³=(1-√2+1+√2)³=2³=8

#Regards♥️