Question

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Answer 1

Answer: 10

Step-by-step explanation:

Answer 2

Answer: 10

Step-by-step explanation:

if we see carefully, it is the case as

$\frac{a^{3} + b^{3} }{a^{2} + b^{2} -ab }$

we know the identity that

$a^{3} + b^{3}$ = $(a+b)({a^{2} + b^{2} -ab } )$

putting this is numerator and cancelling out, we remain with

a+b = 5.67 + 4.33 = 10

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