Answer :

letmeanswer

If i= V-1, then -117 expression is equal to 9i(13i)

Step-by-step explanation:

Original problem : 9i(13i)

=> 117[tex]i^{2}[/tex] (Multiply)

=> 117 * -1

=> [tex]i^{2}[/tex] = -1

=> -117

If i= V-1, then -117 expression is equal to 9i(13i)

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