Question

8. Find the value of the expression a3 + b3 + c3 – 3abc for a = 2, b = 3, c = 4.​

Answer 1

Step-by-step explanation:

first you put value of a,b,c and then you add or subtract like me and you will find your answer

Answer 2

27 is the value of the expression a³ + b³ + c³ - 3abc when terms are a = 2, b = 3 and c = 4.

Given that,

We have to find the value of the expression a³ + b³ + c³ - 3abc when a = 2, b = 3 and c = 4.

We know that,

Take the expression

a³ + b³ + c³ - 3abc

Substituting the values of a = 2, b = 3 and c = 4

(2)³ + (3)³ + (4)³ - 3(2)(3)(4)

By solving

8 + 27 + 64 - 72                      

99 - 72

27

Therefore, 27 is the value of the expression a³ + b³ + c³ - 3abc when a = 2, b = 3 and c = 4.

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