evaluate using identies (1005)³
Answers
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Step-by-step explanation:
(1005)^3= (1000+5)^3
Using Identity;
(A+B)^3=A^3 + B^3 +3A^2B + 3AB^2
SO (1000+5)^3 =1000^3 + 5^3 + ( 3 x 1000^2 x 5 ) + ( 3 x 1000 x 5^2 )
= 1,000,000,000 + 125 + 15,000,000 + 75000
= 1,015,075,125
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