Math, asked by suresh120, 1 year ago

find the sum of 2+4(3)^2+6(5)^2+8(7)^2+.......+22(21)^2

Answers

Answered by Abhishek75700

7

sum of 2+4(3)^2+6(5)^2+8(7)^2+.......+22(21)^2
6(9)+6 (25)+8 (49)+22(441)
54+150+392+9702
Add all
ANS 10,298 okay...^_^

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