# If a = 6 and d = 10, then find S10 - Algebra

Sum

If a = 6 and d = 10, then find S10

#### Solution

a = 6 and d = 10    ......[Given]

Since Sn = "n"/2[2"a" + ("n" - 1)"d"],

S10 = 10/2 [2(6) + (10 - 1)(10)]

= 5[12 + 9 (10)]

= 5(12 + 90)

= 5(102)

= 510

Concept: Sum of First n Terms of an AP
Is there an error in this question or solution?