Math Chapter 1 Class 11 Number Systems


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The additive identity in set of complex number is

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For all ? ∈ ? , ? = ? is …. Property.

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 A decimal which has a finite numbers of digits in its decimal part is called            decimal.

(b)     (c)                  (d)

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For any complex number ?, it is always true that |?| is equal to:

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√3 is __________

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The set {?, −?} possesses closure property ?. ?. ?

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The product of two conjugate complex numbers is

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For all ?, ? ∈ ? , ? = ? ⟹ ? = ? is called….. property.

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For any complex number ?, it is always true that |?| is equal to:

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The additive identity in set of complex number is

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Multiplicative inverse of ′?′ is

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If ? is any non-zero real number, then multiplicative inverse is

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. If ? < ? then

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A recurring decimal represents_____

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The multiplicative identity of complex number is

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(−?)^−??/? =

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??/? is

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?^?? equals:

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The modulus of ? = ? + ?? is

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A decimal which has a finite numbers of digits in its decimal part is called______ decimal.

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Golden rule of fraction is that for ? ≠ ?, ?/? =

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? is

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The numbers which can be written in the form of ?/? , ?, ? ∈ ? , ? ≠ ? are :

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(?, ?)(?, ?) =

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The multiplicative identity of complex number is

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The multiplicative inverse of (?, −?) is:

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Every recurring decimal is

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