Question

If x= 10-3√11 , find the value of :
i.x+1/2
ii.x²+1/X²​

Answer 1

Answer:

x=10-3root 11

i  x+1/2

2*(10-3root11)+1/2

20-6 root 11+1/2

21 - 6root 11/2

21/2- 6root 11/2

ii  x^2 + 1 / x^2

x^2 = (10-3root11)^2

100-99=1

so

x^2+1/X^2

1+1/1=2

Step-by-step explanation: