Question

24. Find a and b such that the numbers a, 9, b, 25 form an AP.​

Answer 1

Step-by-step explanation:

a=1

b=17

............

Answer 2

Answer:

given : a , 9 ,b , 25

so,

common difference = 9 - a = b - 9 = 25 - b

now ,

b - 9 = 25 - b

b + b = 25 9

2b = 34

b = 17 ( 1 )

9 - a = b - 9

9 + 9 = b + a

18 = a + b

a = 18 - b

a = 18 - 17 ....{ from (1 )}

a = 1