evaluate 98³ by using indentites
Answers
Answered by
0
Step-by-step explanation:
we can written 98³ in this type
(100-2)³
using (a-b)³=a³-b³-3a²b+3ab²
(100-2)³=100³-2³-3(100)²(2)+3(100)(2)²
(100-2)³=1000000-8-60000+1200
=939992+1200
=941192 is the correct answer
Similar questions