Progression (Sequence and Series)Hard
Question
The G.M. of roots of the equation x2 − 2ax + b2 = 0 is equal to which type of mean of roots of x2 − 2bx + a2 = 0?
Options
A.A.M.
B.G.M.
C.H.M.
D.None of these
More Progression (Sequence and Series) Questions
If Sn denotes the sum of n terms of an A.P., then Sn+3 − 3Sn+2 + 3Sn+1 − Sn is equal to -...The sum to the infinity of the series + ..... is...-A man arrange to pay off a loan of Rs.3600 by 40 annual instalments which are in AP. When 30 of the instalments are pai...If nth term of an AP is 1/3 ( 2n + 1) , then the sum of its 19 terms is-...Geometric mean of 3, 9 and 27 is-...