Question and Answers Forum
OthersQuestion and Answers: Page 22
|
Question and Answers Forum |
|
OthersQuestion and Answers: Page 22 |
| The deviations of a set of numbers from 12 are 3, −2, 1, 0, −1, 4, 0, 1 and 2. Calculate the mean and standard deviation of the numbers. |
|
|
|
|
|
|
|
|
|
|
|
|
| 1^x +6^x +8^x =9^x find x ? Mastermind |
| Solve the differential equation (dy/dx)=((1+y^2 )/(y(1−x^2 ))) |
| Solve the differential equation 2(2xy+4y−3)dx+(x+2)^2 dy=0 Mastermind |
| Solve: (dy/dx)=((y^2 −3xy−5x^2 )/x^2 ) y(1)=−1 M.m |
|
|
| let p(x) = x^6 +ax^5 +bx^4 +cx^3 +dx^2 +ex+f be a polynomial function such that p(1) = 1 ; p(2) = 2 ; p(3) = 3 p(4) = 4 ; p(5) = 5 ; p(6) = 6 then find p(7) = ? |
|
|
| solve for x log_(∣sinx∣ ) (x^2 −8x+23) > (3/(log_2 ∣sinx∣ )) |
| solve the inequalities Q.(1) ((1+log_a ^2 x)/(1+log_a x)) > 1 , 0<a<1 Q.(2) log_x ((4x+5)/(6−5x)) < −1 |
| Solve by Method of variation parameter (d^2 y/dx^2 )−3(dy/dx)+2y=sinx M.m |
|
|
|
|
| A ball of p of mass 0.25kg losses (1/3) of its velocity when it makes an head on collision with an identical ball q at rest. After collision, q moves off with a velocity of 2ms^(−1) in the original direction of p. Calculate the initial velocity of p. |
| Have you seen this method of solving quadratic problem? x^2 −x−12=0 y′=±(√(b^2 −4ac)) |
| How many digits does 1000^(1000) have? Mastermind |
| By first principle, solve cos^2 x + sin^2 x=1 |
| ∫(((sinx)/( (√x))))dx Mastermind |
| ≪_• ^• I THINK...^ ^(−) _•^• _(−) ≫ One question per post, IDEAL 👍👍👍 Two questions per post,OK (BEARABLE) (👎+👍)/2 Three or more questions:NO, NO, NO! 👎👎👎 |
| After being marked down 20 percent. a calculator sells for $10. The Original selling price was ? |