evaluate (98)³ using suitable identity, mention the identity,.
please help me asap
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(98)³ =(100-2)³
= (100)³-(2)³ -3(100)²×2+3×100×(2)² [using : (a-b)³=a³-b³-3a²b+3ab²
(98)³= 1000000-8-6(10000) + 300×4
= 1000000-8-60000+1200
= 941192
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Answer:
(100-2)^3
(a-b) ^3 this is the suitable identity
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