Question

rationalize √2+√5/√2-√5​

Answer 1

Answer:

conjicate it with upper and lower with opposite sign

√2+√5/√2-√5 ×√2+√5/√2+√5

(√2+√5)²/2-5

2+5+20/-3

27/-3

-9 ans

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Answer 2

Step-by-step explanation:

= √2+√5 ×. √2-√5

√2-√5. √2+√5

= (√2)^2√2√5+(√5)^2 × (√2)^2-2√2√5+(√5)^2

(√2)^2 - (√5)^2

= 2+2√10+5 × 2-2√10+5

2-5

= 2+5 × 2+5

3

= 2 + 10 + 5

3

= 2+15

3

= 2+5

1

= 7

1