Question

Simplify using identity: 50²​

Answer 1

Answer:

2500

Step-by-step explanation:

Using (a−b)^2 = a^2 −2ab+b^2 to calculate the value of (50)^2

We can write (50)^2 as (51−1)^2

(51−1)^2 =51^2 −2×51×1+1^2= 2601−102+1

The Answer is 2500

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Answer 2

Answer:

2500

Step-by-step explanation:

50^2

INDENTITY NO 1=(a+b)^2

50^2

will be written as= (40+10)^2

Then (a+b)^2=a^2+2ab+b^2

Then a=40

Then b=10

Since (40+10)^2=40^2+2*40*10+10^2

50^2=1600+800+100

2500=2500

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