Let and, , where are in A.P., then the common difference of the A.P. is equal to |
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a) |
b) |
c) |
d) |
None of these |

Let and, , where are in A.P., then the common difference of the A.P. is equal to |
|||||||

a) |
b) |
c) |
d) |
None of these |

1 Answer

127 votes

**(b)**

We have,

Applying and ,

Let be the common difference of the A.P. . The,

127 votes

127