If x+ 1/x = 3, then find the value of 2x/(3x²-5x+3)
2x/(x (3x-5x+ 3/x )) ⇒ 2/((3x+ 3/x)-5) ⇒ 2/(3(x+ 1/x)-5) ⇒ 2/(3 ×3 -5) ⇒ 2/(9 -5) = 0.5
In an A.P a9 = 40, then find sum of first 17 terms of that A.P.
The marks obtained by 15 students out of a maximum of 25 in a test are given as 13, 11, 16, 15, 18, 12, 13, 14, 10, 22, 21, 20, 17, and 24. Find the sum...
Find the variance of the following data points:
6, 7, 5, 9, 11, 14
The median of the following data will be ___
32,25,33,27,35,29,14,26 and 30.
If the standard deviation of a population is 5.5, what would be the population variance?
The median 0f the given data will be 32, 25,33,27, 35, 29, and 30
Find the sum of geometric progression, 40, 20, 10, 5, …..
Present average age of A, B and C together is 44 years. Age of B is 12 Years hence from now will be 260% more than age of A. Four years ago from now whi...
The mean of the sample data = 60 and median = 48. Find the mode of this distribution.
The interest earned when a sum is invested at simple interest of 25% p.a., for 3 years, is Rs. 1875. What will be the total amount received after 2 year...
