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19x2\frac{1}{\sqrt{9-x^2}} എന്ന ഏകദത്തിന്റെ മണ്ഡലം ഏത് ?

A(-3, 3)

B(-3, 3]

C[-3,3]

Dഇവയൊന്നുമല്ല

Answer:

A. (-3, 3)

Read Explanation:

19x2\frac{1}{\sqrt{9-x^2}}

9-x^2 > 0

x^2< 9

x^2<3^2

-3<x<3

domain = (-3,3)


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