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Square root of ‘225’ can be alsorepresented with the radical sign as ‘√225’.

In order to find its value, we need to find the numbers which when multiplied by itself gives ‘225’.

15 * 15 = 225 and we also have -15 * -15 = 225.

This implies that 15 multiplied by itself or -15 multiplied by itself gives 225 as the answer.

Square root of ‘256’ can be also represented with the radical sign as ‘√256’.

In order to find its value, we need to find the numbers which when multiplied by itself gives ‘256’.

16 * 16 = 256 and we also have -16 * -16= 256.

Therefore 16 multiplied by itself or -16 multiplied by itself gives 256 as the answer.