If z = a + bi is a complex number such that |z| = 10, what is the equation relat

If z = a + bi is a complex number such that |z| = 10, what is the equation relating a and b?

If z = a + bi is a complex number such that |z| = 10, what is the equation relating a and b?

Step 1: Understand that a complex number z can be written as z = a + bi, where a is the real part and b is the imaginary part.
Step 2: The modulus (or absolute value) of the complex number z, denoted as |z|, is calculated using the formula |z| = √(a^2 + b^2).
Step 3: We are given that |z| = 10.
Step 4: Substitute the value of |z| into the modulus formula: √(a^2 + b^2) = 10.
Step 5: To eliminate the square root, square both sides of the equation: (√(a^2 + b^2))^2 = 10^2.
Step 6: This simplifies to a^2 + b^2 = 100.
Step 7: The equation relating a and b is a^2 + b^2 = 100.

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