A community for students.
Here's the question you clicked on:
 0 viewing
TeemoTheTerific
 2 years ago
Hi...
Last question and i can sleep peacefully :)
THANKS
TeemoTheTerific
 2 years ago
Hi... Last question and i can sleep peacefully :) THANKS

This Question is Closed

TeemoTheTerific
 2 years ago
Best ResponseYou've already chosen the best response.1\[\huge a= 2^{\frac{ 1 }{ 2 }} + 2^{\frac{ 1 }{ 2 }}\] \[\huge b=2^{\frac{ 1 }{ 2 }}  2^{\frac{ 1 }{ 2 }}\] FIND \[\huge a ^{3} + b ^{3}\]

TeemoTheTerific
 2 years ago
Best ResponseYou've already chosen the best response.1lol someone randomly gave me a medal?

TeemoTheTerific
 2 years ago
Best ResponseYou've already chosen the best response.1i know the formula for a^3 + b^3 btw

TeemoTheTerific
 2 years ago
Best ResponseYou've already chosen the best response.1(a+b)(a^2ab + b^2)

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.1its actually \( 2 \times 2^{1/2}\)

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.1ok, keep that as it is... now try (a^2ab + b^2) =... ?

TeemoTheTerific
 2 years ago
Best ResponseYou've already chosen the best response.1same thing as 2^1/2 + 2^1/2

TeemoTheTerific
 2 years ago
Best ResponseYou've already chosen the best response.1i worked out a^2 was 9/2 before

TeemoTheTerific
 2 years ago
Best ResponseYou've already chosen the best response.1b^2 was also ummm 1/2

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.1\((a^2ab+b^2 )= (a^22ab+b^2)+ab = (a+b)^2+ab\) you already know a+b

TeemoTheTerific
 2 years ago
Best ResponseYou've already chosen the best response.1would it be (ab)^2 + ab? instead of (a+b)^2 + ab

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.1\((a^2ab+b^2 )= (a^2+2ab+b^2)3ab = (a+b)^23ab\)

TeemoTheTerific
 2 years ago
Best ResponseYou've already chosen the best response.1so ill just work out (a^2ab + b^2) manually?

TeemoTheTerific
 2 years ago
Best ResponseYou've already chosen the best response.1wait but i dont think i done (a+b)^2

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.1i was just trying to simplify...you can do that manually, but it'll become complicated...

TeemoTheTerific
 2 years ago
Best ResponseYou've already chosen the best response.1(a+b)^2 would be 8?

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.1yes. ab = 3/2 so, 3ab = 9/2 and 8+9/2 =... ?

TeemoTheTerific
 2 years ago
Best ResponseYou've already chosen the best response.1so answer is (2^1/2 times 2 )(7/2) Is it?

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.1\(2 \times 2^{(1/2)} \times 7/2 =2^{(1/2)} \times 7 \)

TeemoTheTerific
 2 years ago
Best ResponseYou've already chosen the best response.1ok thank you so much

TeemoTheTerific
 2 years ago
Best ResponseYou've already chosen the best response.1these question confuse me so much :(

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.1practice more.... all confusions will go away...

TeemoTheTerific
 2 years ago
Best ResponseYou've already chosen the best response.1lol thats easy to say
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.