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Find $\displaystyle{ \frac{2}{1 + 2\sqrt{3}} + \frac{3}{2 - \sqrt{3}}}$, and write your answer in the form $\displaystyle \frac{A + B\sqrt{3}}{C}$, with the fraction in lowest terms and $A > 0$. What is $A+B+C$?

 Feb 24, 2021
 #1
avatar+1223 
0

21+23123123+3232+32+3

 

24313+6+331

 

(243)+13(6+33)13

 

80+35313

.
 Feb 24, 2021
 #2
avatar+240 
-1

Hello oliviapow06...!

21+23+323

 

=2(23)(1+23)(23)+3(1+23)(23)(1+23)

 

=2(23)+3(1+23)(23)(1+23)

 

=2(23)+3(1+23)334

 

=7+43334

 

=373+6411


A=64

B3=373

C=11

 

64+373+11

=75+373

 

cheekycheekycheeky

 Feb 24, 2021
 #3
avatar+206 
-2

I don't know how but this is apparently wrong

 Feb 24, 2021
 #4
avatar+240 
0

Oh, both of these answers or just mine?

DewdropDancer  Feb 24, 2021
 #5
avatar+501 
-1

both of them; it was 112

ellapow  Feb 24, 2021
 #7
avatar+240 
0

Oh, I'm sorry, I must have messed up on a part.

DewdropDancer  Feb 25, 2021
 #6
avatar
0

Bruh I know you are a alt for clairepow STOP cheating on AOPS. This will not be my last warning.

 Feb 24, 2021

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