Math, asked by malathir7138, 9 months ago

find the sum of first 33 multiple of 9​

Answers

Answered by rahul456841
1

Answer:

5049

Step-by-step explanation:

It'll be an Arithmetic Progression going like

9,18,27....... upto 33 terms

Sum of AP = (n/2)*(2a + (n-1)*d)

= (33/2)*(18+32*9)

= (33/2)*(18+288) = (33/2)*(306) = 33*153 = 5049

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