Let the complex number be x + iy
Then by the pythagoras therem
17 = x^2 + y^2
D will satisfy this equation
4^2 + (-1)^2 = 17
answer is D 4 - i
Answer:
Answer: √49
___________
√49 = 7
Step-by-step explanation:
The area of a square is equal to the square of its side or the product of its side and its side.
A = s², because the sides of a square are congruent.
Answer:
20 by 20
Step-by-step explanation:
square root of 400 is 20
20 times 20 = 400
Answer:
x=3
Step-by-step explanation: