15^th term of the A.P. x - 7, x - 2, x + 3 ... is:

x + 73

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x + 83

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x + 53

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x + 63

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Solution

The correct option is D
x + 63

a₁=x-7

a₂=x-2

common difference=d=x-2-(x-7)=5

15^th term:

a₁₅= a₁+(n-1)d

a₁₅=x-7+(15-1)x5

=x+63

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