3(1)/(2)" और "-41(1)/(2)" के बीच "17" A.M.'s रप्विए । "

Two A.M.'s A_(1) and A_(2) , two G.M.'s G_(1),G_(2) and two H.M.'s H_(1), H_(2) are inserted between any two non-zero positive numbers then (1)/(H_(1)) + (1)/(H_(2))=

If A_(1),A_(2) be two A.M.'s and G_(1),G_(2) be two G.M.,s between a and b, then (A_(1)+A_(2))/(G_(1)G_(2)) is equal to

If A_(1),A_(2) are two A.M.'s and G_(1),G_(2) be two G.M.'s between two positive numbers a and b, then (A_(1)+A_(2))/(G_(1)G_(2)) is equal to (i) (a+b)/(ab) (ii) (a+b)/2 (iii) (a+)/(a-b) (iv) None of these

If A_(1), A_(2), A_(3), A_(4) are four A.M’s between 1/2 and 3, then prove A_(1) + A_(2) + A_(3) + A_(4) = 7.

What is ratio of mean proportional between 3.6 and 12.1 and third proportional between 2 and 11? 3.6 और 12.1 के बीच माध्य समानुपाती तथा 2 और 11 के बीच तीसरे आनुपातिक में क्या अनुपात है ?