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guessing and trial is an old method of calculating square roots of numbers , as well division method is lengthy and tedious , recently mathematician start to work on algebric formulas to use it in calculations , required is to provide these formulas
Those numbers which can be expressed in the form of p/q are called as rational numbers
and t
hose numbers which can not be expressed in the form of p/q are called as irrational numbers.
numbers in the form of x+iy are called as imaginary numbers(complex numbers)
and
other than this are the real numbers.
Numbers starting from 1,2,3,4........... so on are called as natural numbers
To find out square root of any number.. DIVISON METHOD will be simple ... for cube root.. same method can be applied.
