Question

(√2-2)square
रूट 2 माइनस टू होल होल स्क्वायर ​

Answer 1

Answer:

(√2-2)²= (√2)²+(2)²-2(√2)(2)

=2+4-4√2

=6-4√2

the formula which is used is

(a-b)²= a²+b²+2ab

Answer 2

Answer:

6 - 4√2

Step-by-step explanation:

= (√2 - 2)²

Using identity, (x-y)² = x²- 2xy+ y²

= (√2)² - 2 √2 × 2 + 2²

= 2 - 4√2 + 4

= 6-4√2 Ans

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