find domain of function f(x) = √a^2-x^2
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Answer:
The domain of the function √a^2-x^2 is [-a, a]
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ANSWER
f(x)=
2−2x−x
2
2−2x−x
2
≥0
2−2x−x
2
=0
x
2
+2x−2=0
x=
2
−2±
4+8
x=
2
−2±
12
x=−1±
3
∴−1−
3
≤x≤−1+
3
∴ Damian of f(x):−1−
3
≤x≤−1+
3
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