Question

If a+b=10 and a^2+b^2=58 find the value of a^3+b^3 meritbation

Answer 1

Concepts used :-

1)
${(x + y)}^{2} = {x}^{2} + {y}^{2} + 2xy$
2)
${x}^{3} + {y}^{3} = (x + y)( {x}^{2} + {y}^{2} - xy)$
3)
Forming equations and solving it for the required unknown value.