`a_(n)=(n-1)(2-n)(3+n)` द्वारा परिभाषित अनुक्रम का 20 वां पद क्या है ?

a_(n) = n/(n+2) , a_(3) = ……….

If a_(n)=(n(n-2))/(n+3) : find the term a_(20^(@))

If a_(n+1)=a_(n-1)+2a_(n) for n=2,3,4, . . . and a_(1)=1 and a_(2)=1 , then a_(5) =

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

समांतर श्रेणी का n वा पद -उदाहरण सहित |समांतर श्रेणी का अंत से n वा पद

The Fibonacci sequence is defined by 1 = a_(1) = a_(2) and a_(n) = a_(n - 1) + a_(n - 2),n gt 2 . Find a_(n + 1)/a_(n) , for n = 1, 2, 3, 4, 5,

Find the indicated terms in each of the following sequences whose n^(th) terms are a_(n) = (a_(n-1))/(n^(2)) , (n ge 2) , a_(1) =3 , a_(2) , a_(3)

Find the indicated terms in each of the following sequences whose n^(th) terms are a_(n) = (a_(n-1))/(n^(2)) , (n ge 2) , a_(1) =3 , a_(2) , a_(3)