Is 2! + 4! = 5! ?

Let A = { 1, 2, { 3, 4 }, 5 } . Which of the following statements are incorrect and why? {1, 2, 5} ⊂ A

Let A = { 1, 2, { 3, 4 }, 5 } . Which of the following statements are incorrect and why? {1, 2, 5} ∈ A

Show that, 5(4+2) = 5 xx 4 + 5 xx 2 .

Find the ratio in which the line segment joining A ( 2 , 4 , 5) and B ( 3 , 5 , 4) divided by the yz - plane .

Score 1 2 3 4 5 No. of students 3 6 4 7 5 The mode of the distribution is 3.

Harmonic mean of 2, 4, 5 is…...

Find the ratio in which the YZ. plane divides the line segment joining the' points (-2, 4. 5) and (3, 5, -4).

Find the ratio in which the ZX plane divides the line segment joining the .points (2, 4, 5) and (3, -6, 8).

For two data sets, each of size 5, the variances are given to be 4 and 5 and the corresponding means are given to be 2 and 4, respectively. The variance of the combined data set is (1) (11)/2 (2) 2 (3) (13)/2 (4) 5/2

Let's resolve into factors: a^4 + 4a^2 - 5