Question

find the values of a and b by rationalizing the denominator of 5+√7/5-√7 = a + b√7​

Answer 1

Answer:

a=5. b=-4/7

Step-by-step explanation:

5+√7/5-√7=a+b√7

5+(√7/5-5√7/5)=a+b√7

5-4√7/5=a+b√7

a=5

b=-4/7