fultonsheriffreserve
Calculators
General
Algebra
Geometry
Coordinate-geometry
Statistics
Calculus
Qna
Math
fultonsheriffreserve
fultonsheriffreserve
Home
General
Algebra
Geometry
Coordinate-geometry
Statistics
Calculus
Qna
Math
MATH SOLVE
Home
General
Simplify the expression. Write your answer as a complex number. 2 times the square root of 25 plus...
4 months ago
Q:
Simplify the expression. Write your answer as a complex number. 2 times the square root of 25 plus the square root of negative 16 10 + 4i 10 β 4i 10 + 8i 10 β 8i
Accepted Solution
A:
Answer:10 + 4i Β Step-by-step explanation:[tex]\begin{array}{rcl}2\sqrt{25} + \sqrt{-16} & = & 2 \times 5 + \sqrt{(-1)(16)}\\& = & \mathbf{10 + 4i}\\\end{array}[/tex]