Comprehension 2 P a prtxluct given by p • a,) (x
Comprehension t
t' "e of in the expressiön (2 + x? (3 xp (4 + must be
(B) 27
(C) 2B
coefficient Of S•AJ in the expression (x — I) (xz — 2) (x' — 3)
— 20) must
(B) 12
(C) 13
coefficient of x— in the expression of (x — 1 ) (x — 2)
(x — 100) must be
+ 1002
100? — (17+2' +32 +
...+1002)
(O) None of
mprohønsion 2
f(j)
Consider. sum of the series
In the given summation. i ;rxfj are indeöerxjent.
= i and j are In
the sum of series
types of terms occur, those when i j. i > j and i e' j.