Question

For if any A.P. d= 10 then t28 - t23=? ​

Answer 1

Answer:

25

Explanation:

Here, the difference between t18 and t13 is of five terms. And the common difference(d) is given 5.

It is asked to find t18 - t13,

so, the answer will be the product of difference between the terms and the common difference.

Hence, t18 - t13 =

5 \times 5 = 255×5=25

Ans: 25

Answer 2

$hello$

Common difference = d = 5

First term = a = a

Number of the term = n

Tn = a + (n - 1)d

T18 = a + (18 - 1)5

T18 = a + (17)5

T18 = a + 85

Tn = a + (n - 1)d

T13 = a + (13 - 1)5

T13 = a + (12)5

T13 = a + 60

so, T18 - T13

= (a+85) - (a+60)

= a + 85 - a - 60

= 85 - 60

= 25

Answer : 25

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