Question

Rationalise the denominator 1 upon 4+2root3

Answer 1

Answer:

(2+√3)(2-√3) = 2² -(√3)² = 4 - 3 =1

Answer 2

Answer:

2-√3

--------

2

Step-by-step explanation:

1 4-2√3 4-2√3

------------ ×-------------- = -----------

4+2√3 4-2√3 16-12

=>4-2√3

---------------

4

==>2-√3

---------------

2

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