1- The series 1 90 then the value of the series iM 8 2 = n a) b) 45 90 -1) d) 90 45 1 2- a) In x -1 3 1 x-1 1 2 4 5 .+ - 5+c b) In T - In x - X x c) itc X x 2x2 1 d) In -+-+. e) NOTA itc X X 2x 3- If the third term in the G.S. Ya." is 4 , then the product of the first 5 terms equals: a) 45 b) 4+ c) 45 d) 43 e) NOTA 4- (In vn+1-In in) a)conv. to 1 b) conv. to v/3 c) div. d)conv. to 0 e) NOTA 5- The sum of the series -e +- e e + 2! 3! 4! (a) (b ) - - 1 (o)e-1 (d) e)NOTA 1 - 6- The sum of the series (-1)" no (2n +1)3" b) c) 67/ 3 d) 2-13 e) NOTA