Answer:
90*90*90
Step-by-step explanation:
729000
it is the correct answer
(90)³=(100-10)³
using identity (x-y)³=x³-y³-3xy(x-y)
x=100,y=10
EQ=(100-10)³=100³-10³-3(100)(10)(100-10)
>(100-10)³=1000000-1000-3000×90
=999000-270000
=729000
please mark me as brainiest
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Answers & Comments
Answer:
90*90*90
Step-by-step explanation:
729000
it is the correct answer
Verified answer
Step-by-step explanation:
(90)³=(100-10)³
using identity (x-y)³=x³-y³-3xy(x-y)
x=100,y=10
EQ=(100-10)³=100³-10³-3(100)(10)(100-10)
>(100-10)³=1000000-1000-3000×90
=999000-270000
=729000
hope it will help you
please mark me as brainiest