Question

Find a^4+b^4+c^4.
Yaravuthu irukingala?

Answer 1

Answer:

a^4+b^4+c^4

= (a²+b²+c²)²-2(a²b²+b²c²+c²a²)

= {(a+b+c)²-2(ab+bc+ca)}²

-2(a²b²+b²c²+c²a²)

= (a+b+c)^4+4(ab+bc+ca)²

-4(ab+bc+ca)(a+b+c)²

-2(a²b²+b²c²+c²a²)

Explanation:

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