Question

if a + b = 8 , a² + b² = 34 find a³+b³​

Answer 1

Step-by-step explanation:

Given-

a²+b² = 34

a+b = 8---------1

To find -

a³+b³

Solution-

( a+b)(a²+b²)= 8x34

= 272

:• a³+b³ = 272

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