उत तर:
# | sin (x) | <= 1, "और" आर कन (x) / x> = 0 #
स पष ट करण:
# "ज स " | sin (x) | <= 1 ", और" आर कन (x) / x> = 0, "हम र प स" #
# | (sin (1 / sqrt (x)) arctan (x)) / (x sqrt (ln (1 + x))) | <= | arctan (x) / (x sqrt (ln (1 + x))) | # |
# = आर कट क (x) / (x sqrt (ln (1 + x))) "(द न arctan (x) / x और" sqrt (…)> = 0 ")" #
# = आर कट क (x) / (sqrt (x) sqrt (x ^ -1) x sqrt (ln (1 + x)) #
# = आर कट क (x) / (sqrt (x) x sqrt (x ^ -1 ln (1 + x x)) #