Hi all answer my question its urgent
Evaluate (999)^3
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Heya.....✋
Answer is in attachment
hope it helps✅
Answer is in attachment
hope it helps✅
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Given : (999)^3.
It can be written as (1000 - 1)^3.
= > (1000 - 1)^3.
We know that (a - b)^3 = a^3 - b^3 - 3ab(a - b)
= > (1000)^3 - (1)^3 - 3(1000)(1)(1000 - 1)
= > 1000000000 - 1 - 3000 * 999
= > 1000000000 - 2997000
= > 997003000.
Hope this helps!
It can be written as (1000 - 1)^3.
= > (1000 - 1)^3.
We know that (a - b)^3 = a^3 - b^3 - 3ab(a - b)
= > (1000)^3 - (1)^3 - 3(1000)(1)(1000 - 1)
= > 1000000000 - 1 - 3000 * 999
= > 1000000000 - 2997000
= > 997003000.
Hope this helps!
siddhartharao77:
:-)
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