If the common difference of an A.P. is 3, then the difference between 10th and 5th term is:
If the common difference of an A.P. is 3, then the difference between 10th and 5th term is:
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Step-by-step explanation:
given; d = 3, to find a10 - A5
a10 = a + 9d
a5 = a + 4d
a10 - a5 = a + 9d - a - 4d
=> 5d
=> 5×3 => 15