Question

Help please :)

Write the value of a30-a10 for the AP 4,9,14,19....

Class 10 CBSE
Arithmatic Progression

- ;)​

Answer 1

Answer:

the answer is 100... my friend

Step-by-step explanation:

Given, a=4,d=5

an=a+(n-1)d

a30=a+(30-1)d

a30=a+29d

a30=4+29(5)

a30=4+145

a30=149

a10=a+(10-1)d

a10=a+9d

a10=4+9(5)

a10=4+45

a10=49

a30-a10=149-49=100