Page 15 - Math SL HB Sem 1
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SITQtJEN CI] AND SERII]S
(e) t-1*l-l* l+ I
2 4 8 "' (D-l + 1- +..
1927
Examplc 2: Find the value of :
i
(u) Is (b) lr(r+l)
(c) _!_ );
I(-t)*(1,+z) (d) ) 1z :11
t=l ;3'
2-3
