Explanation

To solve the equation:

$$x^2 + 16 = 0$$

Step 1: Isolate x^2

$$x^2 = -16$$

Step 2: Take the square root of both sides

$$x = pm sqrt{-16}$$

Since $sqrt{-16}$

involves the square root of a negative number, we use imaginary numbers:

$$x = pm 4i$$x=±4i

Explanation

An OP is established to monitor enemy movement from a safe distance.

It provides timely intelligence and early warning to the main force.

Explanation

Explanation

Explanation

1/2% means 0.5% or 0.005 in decimal.

So,

Step 1: Find 1/2% of 100  

= 0.005 × 100  

= 0.5

Step 2: Now, find 1/2% of 0.5  

= 0.005 × 0.5  

= 0.0025

Explanation

The word "security" originates from the Latin word "securitas," meaning "freedom from care" or "freedom from anxiety,"

Explanation

Ahmad Shah Durrani founded the first unified state in Afghanistan, the Durrani Empire, in 1747. 

 Ahmad Shah Abdali was Born in 1722, in Afghanistan.

He died in October 16, 1773, in Afghanistan

Explanation

The best alternative to "exorbitant حد سے زیادہ  " from the options provided is excessive.

Both "excessive ضرورت سے زیادہ " and "extravagantاسراف "

Explanation

Airport security in Pakistan is handled by the Federal Government through the Airport Security Force (ASF).

ASF operates under the Ministry of Interior.

Explanation

The U.S. Central Command Commander General Michael E. Kurilla visited Pakistan on a two-day visit from December 14-16.

The visit focused on strengthening military cooperation and discussing regional security issues.