Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.

To multiply two complex numbers z1 = a + bi and z2 = c + di, use the formula: z1 * z2 = (ac - bd) + (ad + bc)i. A complex number is a number that can be expressed in the form a + bi, where a …

5i Explanation: You perform elementary operations involving imaginary numbers the same way as you would with all real numbers. Use the F.O.I.L. method: (2+i)(1+2i)= 2+4i+1i+2i2 ... How do …

Multiply both numerator and denominator of \frac{3+2i}{1+i} by the complex conjugate of the denominator, 1-i.

Just type your formula into the top box. Example: type in (2-3i)* (1+i), and see the answer of 5-i. Returns the largest (closest to positive infinity) value that is not greater than the argument and …

2013年8月10日 · In order to simplify complex number fractions, multiply the numerator and denominator by the denominator's complex conjugate. In this case, the complex conjugate of …

Free complex number calculator - step-by-step solutions to help find the complex factors of the quadratic expressions, find all the complex number solutions, find the magnitude of complex …

1+5i 1 + 5 i. Le résolveur gratuit de problèmes de maths répond à vos questions d’algèbre, de géométrie, de trigonométrie, de calcul et de statistiques avec des explications détaillées, tout …