Find the 1st term & common difference of -5, – 1, 3, 7 …

0

This question is of class 10th NCERT Chapter- Arithmetic Progression Question no. 3(ii). Here first you have to find the First term and then calculate the common difference. Solve the following question.

Solution:– 5, – 1, 3, 7 ….

First term,

a= -5Common difference,

d= Second term – First termd = ( – 1)-( – 5) = 5 – 1 = 4

d= 4