Difference between revisions of "2021 AMC 10B Problems/Problem 2"
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So the first term equals <math>2\sqrt{3}-3</math> and the second term is <math>3+2\sqrt3</math> | So the first term equals <math>2\sqrt{3}-3</math> and the second term is <math>3+2\sqrt3</math> | ||
Summed up you get <math>\boxed{\textbf{(D)} ~4\sqrt{3}}</math> ~bjc | Summed up you get <math>\boxed{\textbf{(D)} ~4\sqrt{3}}</math> ~bjc | ||
+ | |||
<math>\phantom{Sorry whoever's solution I overrided, the problem should have \sqrt{3} not \sqrt{2}}</math> | <math>\phantom{Sorry whoever's solution I overrided, the problem should have \sqrt{3} not \sqrt{2}}</math> |
Revision as of 18:30, 11 February 2021
Problem
What is the value of
Solution
Note that the square root of a squared number is the absolute value of the number.
So the first term equals and the second term is
Summed up you get
~bjc