lim x--root 10 [root(7-2x) - (root5-root2)/(x2-10)

    limx10 7-2x - 5-2x2-10=limx10 7-2x - 5-22x2-10=limx107-2x - 5 + 2 - 210x2-10=limx107-2x - 7- 210x2-10=limx107-2x - 7- 210x2-10× 7-2x + 7- 2107-2x +7- 210=limx107-2x-7-210x-10x+107-2x +7- 210=limx10-2x + 210x-10x+107-2x +7- 210=limx10-2x-10x-10x+107-2x +7- 210=limx10-2x+107-2x +7- 210=-210+107-210 +7- 210=-2210×27- 210=-1210×7- 210=-12105-2=-1210×15-2 × 5+25+2=-1210× 5+25-2=-5+2610


 

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