1^2-2^2+3^2-4^2+...+19^2-20^2
А. 210
В. 180
С. - 180
D. -210
Е. - 360

Step-by-step explanation:

HEEART, FOLLOW, COMMENT, STAR4

The value of x is 1.6

Step-by-step explanation:

We are given the following in the question:

A(0,0) and B(4,3)

Let P(x,y) divide the line segment AB in the ration 2:3

Then, by section formula, we have,

Putting m = 2 and n = 3, we get,

Thus, the value of x is 1.6