Explanation

Ephemeral means عارضی

Fleeting means عارضی

Explanation

AgCl (Silver chloride) is only very slightly soluble in water.

Due to its low solubility product (Ksp).

Explanation

Explanation

Explanation

Explanation

• Distribute the 2 across the terms inside the parentheses:
  

$2(x^2+y^2+xy)=2x^2+2y^2+2xy$

Explanation

Explanation

To find the average rate of change:

Average rate of change = (f(3) - f(2)) / (3 - 2)

f(3) = 3^3 + 1 = 28

f(2) = 2^3 + 1 = 9

Average rate of change = (28 - 9) / 1 = 19

Explanation

Given that 1 - i is a root of the equation x² + ax + b = 0, and the coefficients are real, the complex conjugate 1 + i must also be a root.

The sum of the roots = (1 - i) + (1 + i) = 2 = -a

So, a = -2

The product of the roots = (1 - i)(1 + i) = 1² - i² = 1 + 1 = 2 = b

So, b = 2

Now, a - b = -2 - 2 = -4

Explanation

Skew lines are non-coplanar, do not intersect, and are not parallel.

They exist in 3D geometry, not lying in the same plane.