Question

Find the sum 3,7,11,... up to 40th term ​

Answer 1

Answer:

3250

Step-by-step explanation:

3+7+11+15+19+23+27+31+35+39+43+47+51+55+59+63+67+71+75+79+83+87+91+95+99+103+107+111+115+119+123+127+131+135+139+143+147+151+155+

159 = 3250