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 a3+3a2b+3ab2+b3



Keep the digits


By taking the highlighted digits only,


We get;


؞ (25)3 = 15625


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