PLEASE HELP! Simplify the expression to a + bi form: √25 + √-81 + √25 - √-16

asked Mar 19, 2023 57.0k views

1 vote

PLEASE HELP!

Simplify the expression to a + bi form:
√25 + √-81 + √25 - √-16

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6 votes

Answer:

10 + 5i

Explanation:

$\rm \implies √(25) + √( - 81) + √(25) - √( - 16) \\ \\ \rm \implies 5 + 9i + 5 - 4i \\ \\ \rm \implies 10 + 5i$

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