Question

a=5and d=3an=50 find n and sn​

Answer 1

Step-by-step explanation:

a= 5 , d= 3 & an=50. an = a+(n-1)d. 50= 5+(n-1) X 3. 50 = 5+3n-3. 50= 2+3n. 50-2= 3n. 48= 3n. n = 48/3. n. 16