Expand.
(198)³
with formula and how to solve
Answers
Answered by
2
(a-b)3= a3+ 3a2b-3ab2 +b3
198= (200-2). 200=a, 2=b
now solve that example by putting values in formula....
3= cube,2=square
Answered by
5
Answer:
7762392
Step-by-step explanation:
(200-2)³
(a-b)³ = a³-b³ -3ab(a-b)
8(100-1)³
8( 1000000 -1-300(100-1))
8(1000000-1-29700)
8(1000000-29701)
8*970299
7762392
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