Mathematics
Senior High
Solved
極限値を求める問題なのですがなぜ下線部のようにして解けるのかがわからないので教えてください
8118
(2) lim x (√√x2+3+x)
(2) x = -t とおくと
与式 = lim{-t(ve +3-t)\+3+t}
√√√t2+3+t
-3t
= lim
t∞ √√√t2+3+t
-3
3
= lim
2
817
3
1+
+1
t2
Answers
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ありがとうございます