मराठी

Xxxlimx→-2x2+5-3x+2 is equal to ____________. -

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प्रश्न

`lim_("x" -> -2) sqrt ("x"^2 + 5 - 3)/("x" + 2)` is equal to ____________.

पर्याय

  • `-2/3`

  • None of these

  • 0

  • `2/3`

MCQ
रिकाम्या जागा भरा

उत्तर

`lim_("x" -> -2) sqrt ("x"^2 + 5 - 3)/("x" + 2)` is equal to `underline(-2/3)`.

Explanation:

`lim_("x" -> -2) sqrt ("x"^2 + 5 - 3)/("x" + 2)`

`= lim_("x" -> -2) ("x"^2 + 5 - 9)/(("x" + 2)("x"^2 + 5 + 3))`

`= lim_("x" -> -2) ("x" - 2)/(sqrt("x"^2 + 5 + 3)`

`= -4/(3 + 3) = -2/3`

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