0 votes 0 votes let X be the airthmetic mean and Y,Z be the two geomatric mean between any two positive numbers .The vlue of (X^3 +Z^3)/XYZ Verbal Aptitude quantitative-aptitude + – akankshadewangan24 asked Jun 29, 2017 akankshadewangan24 596 views answer comment Share Follow See all 8 Comments See all 8 8 Comments reply joshi_nitish commented Jun 29, 2017 reply Follow Share answer is very unsimlified..qsn is correct?? 0 votes 0 votes akankshadewangan24 commented Jun 29, 2017 reply Follow Share yup it is correct 0 votes 0 votes pawan kumarln commented Jun 30, 2017 reply Follow Share (y^3 +Z^3)/XYZ then only simplified...this problem i have seen in one of test series 0 votes 0 votes joshi_nitish commented Jun 30, 2017 reply Follow Share if this is case answer will be '0' 0 votes 0 votes pawan kumarln commented Jun 30, 2017 reply Follow Share no 2 0 votes 0 votes joshi_nitish commented Jun 30, 2017 reply Follow Share y = sqrt(ab), z= -sqrt(ab), x=(a+b)/2 ?? 0 votes 0 votes pawan kumarln commented Jun 30, 2017 reply Follow Share given Y,Z be the two geomatric mean between any two positive numbers let a and c ie. a,y,z,c are in GP then how can u say y = sqrt(ab), z= -sqrt(ab) 0 votes 0 votes joshi_nitish commented Jun 30, 2017 reply Follow Share thanks...i got it, i was thinking something else... i thought qsn is saying two geometric means OF a and c...but it was 2 geometric mean BETWEEN a and c 0 votes 0 votes Please log in or register to add a comment.
Best answer 1 votes 1 votes if ask (y^3 +Z^3)/XYZ then solution is ..... pawan kumarln answered Jun 30, 2017 • selected Jun 30, 2017 by akankshadewangan24 pawan kumarln comment Share Follow See all 3 Comments See all 3 3 Comments reply akankshadewangan24 commented Jun 30, 2017 reply Follow Share very well explained 0 votes 0 votes Akash Verma 1 commented Nov 12, 2017 reply Follow Share nice explanation. 0 votes 0 votes srivivek95 commented Nov 12, 2017 reply Follow Share @joshi_nitish GMs for two numbers a & c are not sqrt(ac) & -sqrt(ac) as they both will not be in the GP with a & c i.e. a, sqrt(ac), -sqrt(ac), c https://socratic.org/questions/how-do-you-find-two-geometric-means-between-5-and-135 0 votes 0 votes Please log in or register to add a comment.