Question

find the value of A and B if root 7 minus 2 by root 7 + 2 equals to A root 7 + B​

Answer 1

Step-by-step explanation:

√7-2/√7+2=A√7+B

√7-2=(A√7+B)(√7+2)

√7-2=7A+2A+B(√7+2)

√7-2=9A+B(√7+2)

comparing

A=√7/9

B=-2/√7+2

Answer 2

Step-by-step explanation:

I hope it is helpful to you