Q. 13.9( 17 Votes )

# Find the value of each of the following using the short-cut method:

(25)^{3}

Answer :

Let’s take, a = 2 and b = 5

So, by using the formula,

We have a^{3}+3a^{2}b+3ab^{2}+b^{3}

Keep the digits

By taking the highlighted digits only,

We get;

؞ (25)^{3} = 15625

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