Explanation Given Information: The expression is 4 i ( 5 − 7 i ) . Formula used: The square root of a − 1 is represented as i . The term i is used to represent a negative number. Mathematically, i 2 = − 1 The property of the square root of a negative number. − p = − 1 ⋅ p Here, p is a positive real number. Distributive property: A ( B + C ) = A ⋅ B + A ⋅ C Here, A , B and C are the positive real numbers. Calculation: Consider the expression

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ISBN: 9780134646404

Author: BITTINGER&BEEC

Publisher: PEARSON

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Question

Chapter O, Problem 36ES

To determine

To calculate: The value of the expression 4i(5−7i).

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Chapter O, Problem 35ES

Chapter O, Problem 37ES

Chapter O Solutions

DEVELOPMENTAL MATH

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