If x^a*x^b*x^c =1 then the value of a^3+b^3+c^3 is

a)9

b)abc

c) a+b+c

d) 3 abc

Printable View

- June 17th 2013, 08:22 AMsscgeekAlgberic question
If x^a*x^b*x^c =1 then the value of a^3+b^3+c^3 is

a)9

b)abc

c) a+b+c

d) 3 abc - June 17th 2013, 09:55 AMebainesRe: Algberic question
Given:

then , and so . Hence:

- June 17th 2013, 10:33 AMSorobanRe: Algberic question
Hello, sscgeek!

Quote:

. .

We have: .

Cube both sides: .

. .

. .

. . . . . . . . . . . . . .

. .

. . . . . . .

. . . . . . . . .