Mathematics
Senior High
Solved
式変形ができません!!教えてください
の大小を比較すると
2√k+1 − (2√k+
1
√k+1
2(k+1)-2√k √k + 1 − 1
√√k+1
2k+1-2√√k(k+1) a
√√k+1
4k²+4k+1-√√4k²+4k
3k+1
よって(+)E
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