Question

(b)If X² = 11 +2 V 30. Find 1/X.​

Answer 1

Answer:

√6-√5

Step-by-step explanation:

x² = 11+2√30 = (√6)²+(√5)²+2*√6*√5  = (√6+√5)²

⇒ x = √6+√5

⇒1/x = 1/√6+√5 = √6-√5