The 5th term of an A.P. of n terms whose sum is $n^{2}$ - 2n, is:

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B
7

$s_{1}$ = -1, $s_{2}$ = 0 ⇒ $t_{2}$ = 1 and $T_{1}$ = -1 ⇒ $T_{5}$ = a + (n-1)d = - 1 + 4.2 = 7

Suggest Corrections

Similar questions

n^{2} + 2 n

n^{t h}

2 n + 3 n^{2}

Find the rth term of an A.P, the sum of whose first n terms is $3 n^{2} + 2 n$

30

n^{t h}

3 + 2 n

n

n t h

n^{2} + 2^{n}

Join BYJU'S Learning Program