Q8. Why is levelling essential?
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0
Leveling of crop Field is important to prevent rottening of crops...
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0
Answer:
First 11 consecutive Even numbers are
2,4,6,−−−−−22
Average of their squares =
11
2
3
+4
2
+6
2
+−−−−+22
2
=
11
2
2
(1
2
+2
2
+3
2
+−−−+11
2
)
=
11
4
6
(11)(12)(23)
=184
(using formula 1
2
+2
2
+3
2
+−−−+n
2
=
6
n(n+1)(2n+1)
) please put it in a brainlist
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