if p arithmetic means are inserted between 5 and 41 so that the ratio A3/Ap-1= 2/5 . Find p
if p arithmetic means are inserted between 5 and 41 so that the ratio A3/Ap-1= 2/5 . Find p
harsh jain , 7 Years ago
Grade 11
Algebra> if p arithmetic means are inserted betwee...
1 Answers
Himanshu Rathour
If p terms are there between 5 and 41 the common difference d=41-5 =36/p+1
p+1
A3=5+3(36/p+1)
Ap-1=5+(p-1)(36/p+1)
A3 = 5p+5+108 = 2
Ap-1 5p+5+36+36p 5
p=9
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