Question

The rationalisation factor of 2+ √3, is

1 point

2 - √3

√2 + 3

√2 - 3

√3 - 2​

Answer 1

Answer:

Rationalization factor of a number is a number whose product with given number gives a rational number. Here we get a rational number when √2 - √3 is multiplied with √2 + √3 . Therefore, Rationalization factor of √2 + √3 is √2 - √3.

Step-by-step explanation:

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Answer 2

Answer:

here we get a relation no. when √2 -√3 is multipled with √2 + √3

= (√2 +√3)× (√2 -√3 )

(√2)^2 -(√3)^2. (using identity a^2- b^2 = (a -b) (a + b)

2 - 3

= -1

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