Answer :
If 10=√x,
then 10²=x,
so x=100. (√100=10, As 10*10=100)
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Likewise:
Say 2²=4,
2=√4.
then 10²=x,
so x=100. (√100=10, As 10*10=100)
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Likewise:
Say 2²=4,
2=√4.