Question

find the value of A and B : 3+2√5 / 3-2√5 = a+b√5​

Answer 1

Answer:

the correct answer is -41/11

Step-by-step explanation:

3+2√5/3-2√5 ==a+b√5,

by the rationalation method

3+2√5/3-2√5*3+2√5/3+2√5,

=3+2√5*3+2√5/3-2√5*3+2√5

9+6√5+6√5+20/(3-2√5)²-(3+2√5)²,

29+12√5/9-20

41/-11

=-41/11