Question

can anyone give me explanation how to solve this type of Q​

Answer 1

Step-by-step explanation:

√3(√7-√3) =√a + b

√21 - 3 = √a. + b

a = 21

b = -3

THANKS

Answer 2

Answer:

3^1/2(7^1/2 - 3^1/2)

21^1/2 - 3

Thus, a = 21 and b = -3