[" (i) "3,1,-1,-3,...],[" (iii) "(1)/(3),(5)/(3),(9)/(3),(13)/(3),...],[" 2.fittictar Out of कौन-कीन स.श्रे."]

(1)/(1.3)+(1)/(2.5)+(1)/(3.7)+(1)/(4.9)+...=

For the following Aps, write the first term ans the common difference: (i) 3, 1, -1, -3,…………….. (ii) -5, -1, 3, 7,…. (iii) (1)/(3), (5)/(3), (9)/(3), (13)/(3),……………. (iv) 0.6, 1.7, 2.8, 3.9,………

For the following A.P.s, write the first term and the common difference. i] 3, 1, -1, -3, … ii] -5, -1, 3, 7, … iii] (1)/(3) , (5)/(3), (9)/(3) , (13)/(3) , …. iv] 0.6, 1.7, 2.8, 3.9, ..

(1)/(1.3)+(1)/(2)((1)/(3.5))+(1)/(3)((1)/(5.7))+....=

If z=(1)/(3)+(1.3)/(3.6)+(1.3.5)/(3.6.9)+.... then

1+(1)/(2!)+(1.3)/(4!)+(1.3.5)/(6!)+...=

(1.3)/(3.6)+(1.3.5)/(3.6.9)+(1.3.5.7)/(3.6.9.12)+…=

If x=(1)/(3)+(1.3)/(3.6)+(1.3.5)/(3.6.9)+…. , then x^2+2x-2=

For the following APs, write the first term and the common difference: (i) 3,1, -1,-3 ,…. (ii) -5,-1,3,7 ,…….. (iii) 1/3, 5/3, 9/3, 13/3 ,……… (iv) 0.6, 1.7 , 2.8, 3.9 ,………