अनुक्रमों के वांछित पद ज्ञात कीजिए। a_(n)= n(n-1)(n+1),a_(18), a_(22) | 11 | अनुक्रम तथा श्रेणी ...

अनुक्रम|श्रेणी|उदाहरण|n वाँ पद ज्ञात करना|Summary

B={a_(n):n in N,a_(n)+1=2a_(n) and a_(1)=3}

If a_(n)={(1+(-1)^(n))/23^(n)} then a_(7)= ……………………

If n^(th) terms of the sequence {a_(n)} where a_(n)=(-1)^(n-1)5^(n+1) , find a_(1),a_(2) , and a_(3) is

If quad 1,a_(1)=3 and a_(n)^(2)-a_(n-1)*a_(n+1)=(-1)^(n) Find a_(3).

Write the set B={a_(n):n in N,a_(n+2)=a_(n+1)+a_(n)anda_(1)=a_(2)=1} in tabular form.

Write the set A = {a_(n):n inN,a_(n+2)=3a_(n),a_(1)=1} in tabular form.

If a_(n)=(1)/(n+1)+1 then find the vaue of a_(1)+a_(3)+a_(5)

The fibonacct sequence is defined by 1=a_(1) = a_(2) and a_(n-1) + a_( n-1) , n gt 1 Find (a_(n+1))/(a_(n)) " for " n =1 ,2,34,5,

If a_(n) = 3-4n , then what is a_(1)+a_(2)+a_(3)+…+a_(n) equal to ?