Question

2✓3+2✓3 find the answer​

Answer 1

Answer:

What is the solution of (2+√3) (2-√3)?

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Moshe Flam

Answered 7 months ago

The answer is 1.

1. Explanation:

Using the rule: (a+b) (a-b) = a^2 - b^2

Our equation: (2+sqrt3) (2-sqrt3) = 2^2 - sqrt3^2

= 4 - 3 = 1

Notes:

1.1 The definition of square root:

sqrt(n) * sqrt(n) = n.

This is by the definition of square root:

…. If r = sqrt(n)

…. then r X r = n.

1.2 Any n which is a result of squaring - is necessarily a positive number.

1.3 The square root of three

Unimportant information follows:

The ancient Greeks proved that the square root of 3 is an irrational number,

that cannot be obtained by dividing one number by another.

Answer 2

Step-by-step explanation:

2✓3+2✓3

= 9+9

= 18

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