Real and Complex Number quiz3 Welcome to your Ch # 2 Real and Complex Number quiz3 Q∩Q^{'}= Q Q' 0 All of these The sum of two real number is also a real number is called _____ property w.r.t Addition. Closure Commutative Associative None of these The ___ of two real number is also a real number is also called closure property. Product Commutative Associative None of these Example of closure property ____. 7+9=16 7×9=63 Both a & b None of these Commutative property w.r.t addition is ___. a+b=b+c a+c=b+c a+b+c=a+b a+b=b+a Commutative property w.r.t multiplication is _____ ab = bc ac = bc abc = ab ab = ba Commutative property is ____ a + b = b + a ab = ba Both a & b None of these Associative property w.r.t Multiplication is ___. a(bc) = (ab)c (ab)c = a(bc) Both a & b None of these Zero is called ____ w.r.t Additive Identity Additive Inverse Both None a + 0 = 0 + a = a is Additive Identity Additive Inverse Both None of these The product of real number and zero is ____. That Number Imaginary Zero None of these 1 is called _______ w.r.t multiplication. Multiplicative identity Imaginary Multiplicative inverse None of these a × 1 = 1 × a = a is _______ property. Multiplicative identity Imaginary Multiplicative inverse None of these The product of 1 and a number is ____. 10 zero That number None of these The sum of two numbers is zero (0) is called ____. Additive identity Additive Inverse Both None If a+a^{'}=a^{'}+a=0 then a^{'} is called _______ of a. Additive identity Additive Inverse Both None of these If a+(-a)=-a+a=0 then -a is called _______ of a. Additive identity Additive inverse Both None The product of two number is 1 is called ___. Multiplicative identity Imaginary Multiplicative inverse None of these If a.a^{-1}=a^{-1}.a=1 then a^{-1} is called ________ of a. Multiplicative identity Multiplicative Inverse Imaginary None of these Multiplicative identity Imaginary Multiplicative inverse None of these Time is Up!