Question

Please solve the questions
Click on the picture to read the entire question
No spam

Answer 1

By using the formula ,

a3+ b3+ c3= 3abc, where a+b+c= 0.

then,

(3a)3+ (5b)3 +(4c)3 = 3*3a*5b*4c 

= 27a3 + 125b3+ 64c3= 180abc

Hence proved.

Answer 2

Ans.............✍

Thnks☺