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प्रश्न
Find the points of discontinuity , if any for the function : f(x) = `(x^2 - 9)/(sinx - 9)`
उत्तर
f(x) = `(x^2 - 9)/(sinx - 9)`
f(x) is discontinuous if sinx - 9 = 0
∴ sin x = 9
which is not possible
Since -1 ≤ sin x ≤ 1
∴ There is no point of discontinuity
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