Algebra and Applications Test 1

Question : 8 of 40

Marks: +1, -0

If a = 34, b = c = 33, then the value of

a^3 + b^3 + c ^3 -3abc

is:

Solution:

a = 34, b = 33, c = 33

a^3 + b^3 + c^3 - 3abc

= (34)^3 + (33)^3 + (33)^3

- 3 × 34 × 33 × 33

= 39,304 + 35,937 + 35,937 - 1,11,078
= 1,11,178 - 1,11,078
= 100

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