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प्रश्न
Choose the correct alternative:
If f(x) = `{{:("a"x^2 - "b"",", - 1 < x < 1),(1/|x|",", "elsewhere"):}` is differentiable at x = 1, then
विकल्प
a = `1/2`, b = `(-3)/2`
a = `(- 1)/2`, b = `3/2`
a = `- 1/2`, b = `- 3/2`
a = `1/2`, b = `3/2`
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उत्तर
a = `- 1/2`, b = ` -3/2`
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