Question

find a and b if 7 + 3 on root 5/ 2 + root 5 - 7 - 3 on root 5/ 2 - root 5 = a + b root 5​

Answer 1

Step-by-step explanation:

7+3 =10

5/2 ×2=25/4

(5-7-3)2 =25-49-9=-33

5/2×2 = 25/4

a+b×(5)2=25a+25b

so, 10×25/4×(-33)×25/4×25a+25b

25ab