2 years ago

Simplify this question

Mathematics

2 answers:

grandymaker [24]2 years ago

7 0

Answer:

18 is answer

Step-by-step explanation:

√64 + √-81 -i²

; i² = (-1)

8+9-(-1)

17+1

Ivan2 years ago

5 0

$\\ \sf\longmapsto √64+√-81-i^2$

$\\ \sf\longmapsto 8+√81i-(-1)$

$\\ \sf\longmapsto 8+9i+1$

$\\ \sf\longmapsto 9i+9$

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