Question

show that each of the following number is a perfect square also find the square root of 1225
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Answer 1

Answer:

35

Step-by-step explanation:

whenever a number is ending wid 25 the unit digit will be 5 and for tens digit , let's say x

x(x+1) = 12

x is 3

so ans is 35

this is shortcut if it ends with 25 or else u have to do the prime factorisation and pair the numbers