Question

The first term of an arithmetic progression is unity and the common difference is 4. Which will be 9 th term of this AP ?​

Answer 1

Answer:hi laya19

Hope it help u

t1 = 1 d = 4 tn = a + (n – 1)d = 1 + 4n – 4 4n – 3 = 4551 4n = 4554 n = will be a fraction It is not possible. 4n – 3 = 10091 4n = 10091 + 3 = 10094 n = a fraction 4n – 3 = 7881 4n = 7881 + 3 = 7884 n = 7884/4, n is a whole number. 4n – 3 = 13531 4n = 13531 – 3 = 13534 n is a fraction. ∴ 7881 will be 1971st -term-this-4551

Answer 2

Answer:

Hello.

Step-by-step explanation:

Good evening...