Question

find the answer of the given equation​

Answer 1

Answer:Decomposing the given number,

⇒ 999=1000−1 ---- ( 1 )

Here, a=1000 and b=1

Squaring both the sides of ( 1 ),

⇒ (999)

2

=(1000−1)

2

=(1000)

2

−2(1000)(1)+(1)

2

[ (a−b)

2

=a

2

−2ab+b

2

]

=1000000−2000+1

=998001

∴ (999)

2

=998001

Step-by-step explanation: