Here is the work and explained sentence :)
Help pleaseee!! If you answer can u explain it to me, thank you
2 answers:
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Answer:
Option (C) is correct .
Step-by-step explanation:
As the expression given in the question as follows.
Now rationalize the expression.
Using the formula
a² - b² = (a - b) (a + b)
Using in the above
As i² = -1
Option (C) is correct .