Question

if a+b+c=11,ab+BC+CA=20,find the value of a cube+b cube+c cube-3abc​

Answer 1

Step-by-step explanation:

sorry......................................

Answer 2

Step-by-step explanation:

in this question u have to do is what?? The thing is that u have to solve firstly by putting value in identitiy : (a+b+c) whole square =a. sq+b sq+c sq+2ab+2bc+2ca then u get the value of asq+b sq+csq. thenv use the identity of which to find the value ok.