Show if they converges ar diverges n 2) Show that the alternating series (-1) ....

  

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Show if they converges ar diverges n 2) Show that the alternating series Σ (-1) ². •is convergent.. •201² +1. n=1 How many terms ・in the partial · sum to Sn do we need in order to find approximate Sum with error less than 0,01 ? 3) Find and classify the critical points of f(xiy). = x² + y² - ²4xy +1° 4) ·∙Find the equation of the tongent plane and the norma) ·line to the surface Z= 1.4. arcton (xiy) at the point (1,1,1) IT. ô M8 A=1 20² +3 -3+2 (5¹) D * M8 n²-2n + 3 -40 + U . Show if they converges ar diverges n 2) Show that the alternating series Σ (-1) ². •is convergent.. •201² +1. n=1 How many terms ・in the partial · sum to Sn do we need in order to find approximate Sum with error less than 0,01 ? 3) Find and classify the critical points of f(xiy). = x² + y² - ²4xy +1° 4) ·∙Find the equation of the tongent plane and the norma) ·line to the surface Z= 1.4. arcton (xiy) at the point (1,1,1) IT. ô M8 A=1 20² +3 -3+2 (5¹) D * M8 n²-2n + 3 -40 + U .

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