Question

2+3√5/2-3√5 solve it by rationalising the denominator
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Answer 1

Answer:

answer is -(49 + 12√5)/41

Step-by-step explanation:

(2+3√5)/(2- 3√5)

(2+3√5)/(2-3√5) × (2+3√5)/(2+3√5)

(2 + 3√5)²/[(2)² - (3√5)²]

(4 + 45 + 12√5)/[4 - 45)

(49 + 12√5)/(-41)

-(49 + 12√5)/41