Question

bonate
If x = 5 - 2✓6, find x2 +1/x2​

Answer 1

Answer:

98

Step-by-step explanation:

x=5-2√6

Then 1/x=5+2√6. ( by rationalization)

(5-2√6)²+(5+2√6)²

25+24-20√6+ 25+ 24+20√6

25+24+25+24

50+48

The  answer  is 98