If `C={z:Re[(3+4i)z]=0}` thenthe number of elements in the set `BcapC` is (A) 0 (B) 1 (C) 2 (D) none of these

|z-4| 0 (b) Re(z) 3(d) None of these

What is the additive identity element in the set of whole numbers? (a) 0 (b) -1 (c) 1 (d) None of these

What is the additive identity element in the set of whole numbers? (a)0 (b) 1 (c) -1 (d) None of these

The number of elements in the power set p(s) of the set S={ [ᴓ] ,1 ,[2,3] } is. (A) 4 (B) 8 (C) 2 (D) none of these

The number of solutions of sqrt(2)|z-1|=z-i, where z=x+iy is (A) 0 (B) 1 (C) 2 (D) 3

What is the multiplicative identity element in the set of whole number? (a)0 (b) 1 (c)-1 (d) None of these

What is the multiplicative identity element in the set of whole numbers? (a) 0 (b) -1 (c) 1 (d) None of these

The equation of y-axis are (A) x=0,y=0 (B) x=0,z=0 (C) y=0,z=0 (D) none of these

Number of solutions of Re(z^2)=0 and |z|=rsqrt(2) where z is a complex number and rgt0 is (A) 2 (B) 4 (C) 5 (D) none of these

The number of solutions of z^(3)+dot z=0 is 2 (b) 3(c)4(d)5