Question

using the formula 2n² find the number of elements in 3,4,5 periods

Answer 1

IN THE 3 ==> 2(3)^2 ==> 18.
IN THE 4 ==> 32 AND IN THE 5 ==> 50
I HOPE THIS WILL HELP YOU

Answer 2

$\huge\bold{QUESTION}$

using the formula 2n² find the number of elements in 3,4,5 periods.

$\huge\underline{\mathcal{ANSWER}}$

We know that,

n= No.of period

1). For n=3

2(3)² = 2(9)

= 18 elements

2). For n= 4

2(4)² = 2(16)

= 32 elements

3). For n=5

2(5)² = 2(25)

= 50 elements

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