Question

26. If a = 8+3√7 then find a+1/a​

Answer 1

Step-by-step explanation:

a=8+3 root 7,b=1/a,find the value of a2+ b2 Get the answers you need, now! ... a²+b² = (8+3√7)² + (8- 3√7)² = (64 + 63+48√7) + (64 + 63 - 48√7) a²+b² = 254. kason11wd and 463 more users found this answer helpful.

Answer 2

Step-by-step explanation:

(9+3√7)(8+3√7)=72+27√7+24√7+63=135+51√7