evalute using suitable identities (97)³step by step method
Answers
Answered by
1
Answer:
912673
Step-by-step explanation:
(97)^3 can be written as (100 - 3 ) ^3
= 100^3 - 3^3 - 3(100)(3) ( 100-3)
1000000 - 27 - 87300
= 912673
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Answered by
0
Step-by-step explanation:
we can write (100-3)³
using identity:-
(a-b)³=a³-b³-3ab(a-b)
=100³-3³-3(100×3)(100-3)
=1000000-27-90000+2700
=1002700-90027
=912673
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