Question

(i) (6 + √5)(6-√5) simplify​

Answer 1

Answer:

CRM

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Answer 2

Answer:

31

Step-by-step explanation:

( 6 + √5 ) ( 6 + √5 )          Use the formula (a+b) (a-b) = (a)² - (b)²

(6)² - (√5)²          (∵ √5 × √5 = 5)

36 - 5 = 31