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Popular >

expand (sqrt(5)-1)^2

Solution

expand

(5 - 1)^{2}

Solution

6 - 25

+1

Decimal Notation

1.52786 \dots

Solution steps

(5 - 1)^{2}

Apply Perfect Square Formula:

(a - b)^{2} = a^{2} - 2 ab + b^{2}

(5 - 1)^{2} = (5)^{2} - 25 \cdot 1 + 1^{2}

= (5)^{2} - 25 \cdot 1 + 1^{2}

(5)^{2} - 25 \cdot 1 + 1^{2} = 6 - 25

= 6 - 25

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Frequently Asked Questions (FAQ)

What is expand (sqrt(5)-1)^2 ?
The solution to expand (sqrt(5)-1)^2 is 6-2sqrt(5)