Question

4+3root 5 by 4-3root 5 =a+b root 8​

Answer 1

Step-by-step explanation:

4+3√5/4-3✓5=a+b✓8

or,4/3✓5=a+b✓8

or,4=(a+b✓8)3✓5

or,4=3a✓5+120b

or,0=3a√5/4+30b

or,a√5/4+10b=0

or,a√5/4=-10b

or,a√5=-40b

or,a/b=-40/√5