The determinant of 3 2 1 1 is

1 Answer

Alan P.

Feb 9, 2016

∣

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1

1

1

1

2

3

3

2

1

∣

∣

∣

∣

=

0

Explanation:

∣

∣

∣

∣

1

1

1

1

2

3

3

2

1

∣

∣

∣

∣

Step-by-step explanation:

are ya tryin to ask something or is this a statement

answer: - (a)

(b) 88 seats

step-by-step explanation:

given: in an auditorium, there are 22 seats in the first row and 28 seats in the second row.

thus first term=

second term=

the number of seats in a row continues to increase by 6 with each additional row.

⇒d= 6

a) given formula :

b)   let the number of seats (n) = 12

substitute n=12 in the explicit rule formed in (a)

∴there are 88 seats in 12 rows.