Real number?

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    • There are two words REAL AND NUMBER.we all of us know that there are various types of numbers like.                   0.1.2.3

    -1.-2.-3

    0.1,0.2,0.3

    Roots.        

    Etc.

    But what is the significance of word REAL.

    That means if real word exist that means there should be another words that is called IMAGINARY.

    square root of 2 is real number.

    But square root of(-2)is imaginary number.

    And .

    Real+imaginary=complex number.

    In class 10 you Will read only about only real number like 123,-1.-2.-3,0.1,0.2,root of 2

    Imaginary number are like root of -2.they are denoted by (i) and square of i is -1.

    I hope you are satisfied