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Question

Find the value of x for which the numbers (5x + 2), (4x − 1) and (x + 2) are in AP.


Solution

It is given that (5x + 2), (4x − 1) and (x + 2) are in AP.
4x-1-5x+2=x+2-4x-14x-1-5x-2=x+2-4x+1-x-3=-3x+33x-x=3+3
2x=6x=3

Hence, the value of x is 3.

Mathematics
RS Aggarwal (2018)
Standard X

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