Question

In an AP the first team is to & the common
difference is 5. Find the sum of first 30 numbers
by completing the following activity.
Sn = h O + (n-1)d
530 = 30 [20+(30-1) O]
)
= 15 (20+
= 15X165​

Answer 1

Step-by-step explanation:

Refer To The Attachment......xD

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