Answer:
(f-1)
Step-by-step explanation:
If you substitute a for (f-1) you get the expression...
The value of a if the expression f² + g⁴ − 2f + 1 is rewritten in the form a² + (g²)2 is f
f² + g⁴ − 2f + 1
f(f - 2) + g⁴ + 1
a = f
Therefore, the value of a is f
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