exam Maths Puzzle Numerical Ability

3radicalx^2=4

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exam Other Question

# |z-i|2 and z0 = 5 + 3i ; The maximum value of |iz+z0| is _______
a) 2 + (31)
b) (31) - 2
c) 7
d) -7
What is the result of 16x^4 + 32x^3 + 24x^2 + 8x + 1 divided by 2x + 1?
a. x^3 + 3x^2 + 3x + 1
b. 8x^3 + 12x^2 + 6x + 1
c. x^3 + 6x^2 + 4x
d. 4x^3 + 6x^2 + 4x + 1