find the cube of 190 by identities
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Heya user this is your answer..
190 can be written as (100+90)
so,(100+90)³
can be solved using identity (a+b)³ = a³+b³+3ab(a+b)
let a= 100, b=90
(100)³+(90)³+3x100x90(100+90)
1000000+729000+27000(190)
1729000+5130000
6859000
Hope it helps...✌✌✌✌
190 can be written as (100+90)
so,(100+90)³
can be solved using identity (a+b)³ = a³+b³+3ab(a+b)
let a= 100, b=90
(100)³+(90)³+3x100x90(100+90)
1000000+729000+27000(190)
1729000+5130000
6859000
Hope it helps...✌✌✌✌
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