Question

root5(root 8 - 2root5) = root a + b find the values of a & b.

Answer 1

Answer:

a = 40,  b = -10

Step-by-step explanation:

√5 ( √8 - 2√5 )

= √5 √8  -  2 √5 √5

= √40  -  2 × 5

= √40  +  ( -10 )

= √a  +  b,  with  a = 40  and  b = -10

Answer 2

Answer:

Step-by-step explanation: