Which of the following options is the correct integral value offdx/(1+tan x)?

What is the correct value of sin‘1 (sin 31'r/5) for the interval [-n/2, n/2]?

What will be the correct value when 2x sin (x2 +1) is integrated with respect to x?

For the polynomial equation x2 + 7x + 10, which of the following options are its correct roots?

Consider the matrices X and Y given in the Figure 1, and Choose the correct value of Y'X' from the Figure 2.

Which of the following statements is correct about the points given in the image.

____ is a measure of the strength of the connection between two program methods.

The least squares criterion is _____.

In a probability histogram, there is a correspondence between _______.

Class width is found by _______.

An example of a qualitative variable is _________________.