Question

30th term of the AP:10,7,4....us​

Answer 1

Answer:

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Step-by-step explanation:

Secondary School Math 5 points

Find the 30th term of thr AP 10,7,4.....

Ask for details Follow Report by Ruquua 29.11.2015

Answers

mohot

mohot Helping Hand

Given digits=10,7,4......

a1=10,a2=7

difference(d)=a2-a1

=7-10=-3

d=-3

then 30th term=a+29d

=10+29(-3)=10-87=-77

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Comments Report

Given AP = 10,7,4 find 30th term ??

a = 10 n = 30 d = T2-T1 = 7-10 = -3

Tn = a+(n-1)d

⇒ 10+(30-1)-3

⇒ 10+ 29 × (-3)

⇒ 10 - 87 = -77

T30 = -77..

hope it's help u........‼️‼️‼️

Answer 2

Answer:

-77

Step-by-step explanation:

a = 10

d = -3

tn = a + (n - 1) * d

t30 = 10 + 29 * -3

= 10 + -87

= -77

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