Question

the sum of 4th and 8th term of an ap is 24 and the sum of 6th and 10th term is 34 find first term and common difference of AP

Answer 1

 Let the first term of an A.P = a and the common difference of the given A.P = d. As we know that a n = a+(n-1) d a 4 = a +( 4-1) d a 4 = a+ ...