Question

Evaluate Using Identity (630)^2​

Answer 1

Answer:

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Step-by-step explanation:

Given (630)2

We have (a+b)2=(a2+2ab+b2)

(630)2 can be written as 600+30

So here a=600 and b=30

Using the formula,

(600+30)2=(6002+2×600×30+302)

On simplifying we get

(600+30)2=(360000+36000+900)

(630)2=396900