## S-5-30-The sum of first six terms of an A.P is 42. The ratio of its 10th term to its 30th term is 1 : 3. Find the 1st term and the 13th term of the A.P.

The sum of first six terms of an A.P is 42. The ratio of its 10th term to its 30th term is 1 : 3. Find the 1st term and the 13th term of the A.P. Or For what values of Read More …