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महाराष्ट्र राज्य शिक्षण मंडळएचएससी वाणिज्य (इंग्रजी माध्यम) इयत्ता १२ वी

If y = 2x2 + a2 + 22 then dydx = ______. - Mathematics and Statistics

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प्रश्न

If y = 2x2 + a2 + 22 then `dy/dx` = ______.

पर्याय

  • 4x

  • 4x + 2a

  • 4x + 4

  • 2x

  • −2x

MCQ
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उत्तर

If y = 2x2 + a2 + 22 then `dy/dx` = 4x.

Explanation:

y = 2x2 + a2 + 22

Differentiate w.r.t. x we get,

`dy/dx = d/dx(2x^2 + a^2 + 2^2)`

∴ `dy/dx = 4x + 0 + 0`

∴ `dy/dx = 4x`

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