Question

Solve this question ​

Answer 1

Answer:

Refer the attachment for the solution...

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Answer 2

✨Welcome to the concept of algebra✨

given :

a+b+c= 5

and

ab+bc+ca= 10

we know that

$a {}^{3} + b {}^{3} + c {}^{3} - 3abc$

$= (a + b + c)((a {}^{2} + b {}^{2} + c {}^{2} ) - (ab + bc + ca))$

see the attachment

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