Question

The 16th term of AP 5,8,11,14 is?​

Answer 1

Step-by-step explanation:

5,8,11,14,...

a = 5

d = 8-5 = 3

T16 = a + (n-1)d

T16 = 5 + (16-1)3

T16 = 5 + 45

T16 = 50

Answer 2

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GIVEN :

The A.P is 5,8,11,14,......

From this ,

The first term, a = 5

The common difference , d = t2 - t1

d = 8 - 5

d = 3

TO FIND :

The 16th term,t16 = ?

SOLUTION:

The general term,tn

$tn = a + (n - 1)d$

where n is the nth term.

t16 = a + ( 16 - 1 ) d

= a + 15 d

= 5 + 15(3)

= 5 + 45

t16 = 50

ANSWER : 50

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