The difference between $9^{t h} a n d 19^{t h}$ term of an A.P. whose first term is a and common difference is d is

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10a

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10d

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Solution

The correct option is C
10d

$n^{t h}$ term of the A.P. is given by a+(n-1)d

So the difference is 10d

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The difference between 9th and 19th term of an A.P. whose first term is a and common difference is d is

The correct option is C 10d nth term of the A.P. is given by a+(n-1)d So the difference is 10d

The difference between $9^{t h} a n d 19^{t h}$ term of an A.P. whose first term is a and common difference is d is

The correct option is C
10d

$n^{t h}$ term of the A.P. is given by a+(n-1)d

So the difference is 10d