Question

the value of k from the three consecutive terms of an A.P (k-3) ,(2k+1,(4k+3)​

Answer 1

Answer:

now here, we know if a, b, c in A.P then

(a+c)/2=b

we can write, (k-3)/2+(4k+3)/2=2k+1

or, 5k/2=2k+1

or,5k=4k+2

or, 5k-4k=2

or, k=2

now, Answer is 2.