Evaluate of the following using suitable identites (998)³
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Answered by
4
Answer:
(998)^3=(1000−2)^3
Suitable identities is (x−y)^3=x^3−3x^2y+3xy^2−y^3
∴(1000−2)^3
=(1000)^3−3(1000)^2(2)+3(1000)(2)^2−(2)^3
=1000000000−6000000+12000−8
=994011992
994011992is the answer.......
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Answered by shruti....... ❤️
Answered by
2
Answer:
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Step-by-step explanation:
(998)^3=(1000−2)^3
Suitable identities is (x−y)^3=x^3−3x^2y+3xy^2−y^3
∴(1000−2)^3
=(1000)^3−3(1000)^2(2)+3(1000)(2)^2−(2)^3
=1000000000−6000000+12000−8
=994011992
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