Math, asked by shams25, 1 year ago

if the sum of 3rd and 10th term of an increasing ap is 39 while the difference between the 7th and 11th terms 12 find the 2nd term​

Answers

Answered by Anonymous
0

Answer:

Step-by-step explanation:

a+2d+a+9d=39

2a+11d=39

a+6d-a-10d=12

d=-3

Substituting d value in the following,

2a+11x-3=39

2a-33=39

2a =39+33=72

a=36

a2=36+(-3)=33

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