Question

142 is a term of the A.P. 14 ,18, 22 ,​

Answer 1

Answer:

Step-by-step explanation:

a = 14

d = 4

an = a + (n - 1)d

142 = 14 + (n - 1) 4

142 - 14 = 4n - 4

128 + 4 = 4n

4n = 132

n = 132/4

n = 33

Yes , 142 is the 33th term of the given A.P

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Answer 2

Answer:

a=14 d=a2-a1

=18-14

=4

nth term of the Ap is 142

an=142

an=a+(n-1)d

142=14+(n-1)4

142-14=4n-1

128/4=n-1

32=n-1

n=32+1

n=33

33th term of the Ap is 142.

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