Question

The 10th term of an AP is 30 and the 15th
term is 45. What is the Sum upto 10th term?​

Answer 1

Step-by-step explanation:

first first we will equate and then we can and find the values of of the first term and common difference after that we could use the formula n/2(2a+(n-1)d)

Answer 2

Answer:

165

Step-by-step explanation:

first find d & a. then find the sum