Question

if (x+1),3x(4x+2) are in AP, then Find the value of x​

Answer 1

Answer:

3

Step-by-step explanation:

∵all the 3 terms are in A.P.,

the difference between the 2nd and the 1st term = the difference between the 3rd and the 2nd term,

∴ $3x - (x+1) = 4x+2- (3x);$

⇒$3x+3x=4x+2+x+1;$

⇒$6x=5x+3;$

⇒$6x-5x=3;$

⇒$x=3;$

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