Question

find without multiplying the cube of 98​

Answer 1

Answer:

we know that (a-b) 3 =a3 - b3 -3a2b + 3ab2.

Step-by-step explanation:

• (100-2)3
• (100)3 - (2)3 - 3(100)2 (2) + 3(100) (2)2
• 1000000 - 8 - 30000(2) + 300 (4)
• 1000000 - 8 - 60000 + 1200
• 1000000 - 60008 + 1200
• 1001200 - 60008
• 941192