Question

Without actually calculating the cubes find the value of 45³-25³-20³​

Answer 1

Answer:

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Without actually calculating the cubes, find the value of 45^3 - 25^3 - 20 ...

Answer 2

Step-by-step explanation:

45-25-20=0

if a+b+c=0, then sum of cubes is 3abc

answer. 3(45x25x20)

=3(22500)

=67500

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