can anyone help me with the qst
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Answered by
1
d= 5
t18 -t13 = a + 17 d - a - 12 d
= 5d
= 25
t18 -t13 = a + 17 d - a - 12 d
= 5d
= 25
Answered by
1
a+17d-(a+12d)
here d=5
so,
a+17×5-(a+12×5)
=a+85-(a+60)
=a+85-a-60
=85-60
=25
here d=5
so,
a+17×5-(a+12×5)
=a+85-(a+60)
=a+85-a-60
=85-60
=25
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