Question

if 18,a,b,_3are in a.p.thena+b=​

Answer 1

Step-by-step explanation:

If 18,a,b,-3 are in A.P then a+b=? 2. sum of number and its reciprocal is 50/7 then the number is. 3.

hope this helps you

please make me as brainleist

Answer 2

Step-by-step explanation:

Let 'p' be the first term i.e 18

And 'd' be the common difference

From given series,

4th term = p+3d = -3

===> 18+3d = -3

Hence, d = -7

So, a = p+d = 18-7 = 11

And b = p+2d = 18-14 = 4

Therefore = a+b = 11+4 = 15.