hayatimakyajla
Calculators
General
Algebra
Geometry
Coordinate-geometry
Statistics
Calculus
Qna
Math
hayatimakyajla
hayatimakyajla
Home
General
Algebra
Geometry
Coordinate-geometry
Statistics
Calculus
Qna
Math
MATH SOLVE
Home
General
What is the product of complex numbers (-3i +4) and (3i +4)??? please explain
4 months ago
Q:
what is the product of complex numbers (-3i +4) and (3i +4)??? please explain
Accepted Solution
A:
product of complex numbers (-3i +4) and (3i +4)
(x - y)(x + y) = x² - y²
(-3i +4)(3i +4) = (4 -3i )(4 + 3i) = 4² - (3i)² = 16 - 9*(-1)=16 + 9 = 25