Question

please do this please

Answer 1

Answer:

for (n×n) = number of square =

$\frac{n(n + 1)(2n + 1)}{6}$

so for (4×4) = 30

now total square = 30 + 4 + 4 + 1+ 1 = 40 [ answer ]

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Answer 2

Answer:

Hey plz ans my question also you are sending me hi by hi by

plz really need ans don't do this in my question plz

I request you