Question

Solve 105 cube with formula a plus b cube

Answer 1

Answer:

(100+ 5) ^3

100^3 + 5^3 + 3x100x5 (100+5)

1000000 + 125 + 1500( 100+5)

1157625

Answer 2

step by step explanation:-

as we know

( a+b) cube = a cube + b cube + 3ab(a+b)

1. (105)cube = (100+5)cube
2. (100+5)cube = 100 cube + 5 cube +3×100×5 (100+5)
3. =1000000+125+1500(100+5 )
4. =1000000+125+150000+7500
5. =1000125+157500
6. =1157625