Question

for what value of k the number of number x ,3 x + K ,3 X + 6 are three consecutive terms of AP​

Answer 1

Answer:

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Answer 2

We know that d will be same for a given AP

Therefore

d= second term - first term

= 3x+k-x ..........(i)

Also

d= third term- second term

= 3x+6-(3x+k)........(ii)

From (i) and (ii) we get

3x+k-x=3x+6-3x-k

=>k=-x