Sequences and Series
For any three positive real numbers a,band c,9(25a2+b2)+25(c2−3ac)=15b(3a+c)˙Then :
Connecting you to a tutor in 60 seconds.
Get answers to your doubts.
A.M. of 1,2,x,3 is 0, then x= _____.
If the distinct points on the curve y=2x4+7x3+3x−5 are collinear, then find the arithmatic mean of x-coordinates of the aforesaid points
The minimum value of the sum of real numbers a−5, a−4,3a−3,1, a8 and a10 with a>0 is
Suppose a1,a2,a3........a2012 are integers arranged on a circle.Each number is equal to the average of its two adjacent numbers. If the sum of all even indexed numbers is 3018,what is the sum of all numbers?
For three numbers a,b,c product of the average of the numbers, a2,b2,c2 and a21,b21,c21 cannot be less than
Prove that the sum of the n arithmetic means inserted between two quantities is n times the single arithmetic mean between them.
the mean xˉ
Find the 3 Arithmetic Means between 18 and 30