Math, asked by sarikagothankar2, 9 months ago

Expand.
(198)³
with formula and how to solve

Answers

Answered by shankar2318
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 visheshsaxena49
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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