ajutati ma va rog
calculati l pe X
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Răspuns:
Explicație:
1/3*5 = 1/3 - 1/5
1/5*7 = 1/5 - 1/7
.........
1/99*100 = 1/99 - 1/100
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1/3*5 + 1/5*7 + ....+ 1/99*100 = 1/3 - 1/5 + 1/5 - 1/7 + ... + 1/99 - 1/100
= 1/3 - 1/100 = 100/300 - 3/300 = 97/300
x = √97/300