श्रेढी `(1^(3))/1+(1^(3)+2^(3))/(1+2)+(1^(3)+2^(3)+3^(3))/(1+2+3)+.......` के 16 पदों का योग ज्ञात कीजिए ।

(1)/(1!)+(1+3)/(2!)+(1+3+3^(2))/(3!)+....=

Sum up to 16 terms of the series (1^(3))/(1) + (1^(3) + 2^(3))/(1 + 3) + (1^(3) + 2^(3) + 3^(3))/(1 + 3 + 5) + .. is

Sum up to 16 terms of the series (1^(3))/(1) + (1^(3) + 2^(3))/(1 + 3) + (1^(3) + 2^(3) + 3^(3))/(1 + 3 + 5) + .. is

1^(3) + 1^(2) + 1+2^(3) + 2^(2) + 2+3^(2) + 3^(2) + 3+3… 3n terms =

(2)/(3) -((1)/(2) -(1)/(3))/((1)/(2)+(1)/(3))xx3(1)/(3)+(5)/(6) =?

(1)/(3)+(1)/(2.3^(2))+(1)/(3.3^(3))+(1)/(4.3^(4))+….oo=

S_(n)=(1)/(1^(3))+(1+2)/(1^(3)+2^(3))+(1+2+3)/(1^(3)+2^(3)+3^(3))+......+(1+2+....+n)/(1^(3)+2^(3)+......+n^(3)).100S_(n)=n then n is equal to :

The value of (a^(2/3) +2a^(1/2)+3a^(1/3) +2a^(1/6)+1)(a^(1/3)-2a^(1/6)+1)-a^(1/2)(a^(1/2)-2) , when a = 7, is: (a^(2/3) +2a^(1/2)+3a^(1/3) +2a^(1/6)+1)(a^(1/3)-2a^(1/6)+1)-a^(1/2)(a^(1/2)-2) , का मान ज्ञात कीजिए, जब a= 7 है: