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Write value of x for which x+2,2x,2x+3 are consecutive term of an ap.

Posted by Chinmy Uikey 6 years, 10 months ago

CBSE > Class 10 > Mathematics

1 answers

Gaurav Seth 6 years, 10 months ago

Let us take an A.P of terms a, b, c
The arithmetic mean is b

Here,
a= x + 2
b= 2x
c= 2x + 3
On substituting the values in the formula we get :
2x=x+2+2x+3/2
2x=3x+5/2
4x=3x+5
X=5
Hence the value of x is 5

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