Question

Find the 20th term of the A.P. whose 7th term is 24 less than the 11th term, first term
being 12​

Answer 1

Answer:

Given,

First term=12

a7=a11-17

a+6d=a+10d-24

6d-10d=-24

-4d=-24

d=6

20th term=a+19d

= 12+19(6)

=12+114

=126

20th term=126

Step-by-step explanation:

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