Question

rationalize the denominator 5 + 2 square root 3 / 5 - 2 square root 3​

Answer 1

Answer:

37+20√3 / 13

Step-by-step explanation:

5 + 2√3 / 5 - 2√3=

= 5+2√3 / 5-2√3 × 5+2√3 / 5+2√3

= ( 5+2√3 )^2 / [ ( 5)^2 - (2√3)^2 ]

= ( 25+12+2×5×2√3) / ( 25-12)

= ( 37+20√3) / 13