Explanation

The sentence describes two past actions; the earlier action ("he left") uses Past Perfect Tense → had left.

The second action ("I came") is in Simple Past.

Explanation

مکتوب عربی زبان کا لفظ ہے، جس کا مطلب ہے لکھا گیا، اور عام طور پر اس سے مراد خط لیا جاتا ہے۔

مکتوب رسمی یا غیر رسمی پیغام رسانی کے لیے استعمال ہوتا ہے۔

Explanation

A solution is a homogeneous mixture where one substance (solute) is completely dissolved in another (solvent).

Sea water: A true solution where salts (like NaCl) are completely dissolved in water.

Explanation

A bimodal distribution has two modes, meaning two values occur with the highest and equal frequency.

It indicates the presence of two peaks in the data set.

Explanation

A parabola is defined as the set of points equidistant from a fixed point (focus) and a fixed line (directrix).

Its eccentricity (e) = 1, which distinguishes it from ellipses (e < 1) and hyperbolas (e > 1).

Explanation

Imam Ali (R.A) compared the mind of a newborn child to vacant land, emphasizing the role of upbringing and environment.

This view supports the idea that a child’s mind is shaped by experiences and education.

Explanation

Valuing is the stage where an individual shows appreciation or commitment to a value, idea, or behavior.

It reflects recognition of worth and personal acceptance of an objective or idea.

Explanation

Two parallel conductors carrying current in the same direction attract each other due to magnetic fields they produce.

If currents flow in opposite directions, the force would be repulsive.

Explanation

Given ∫12x⁻⁵ √(-3x⁻⁴ + 1) dx

Let u = -3x⁻⁴ + 1

du/dx = 12x⁻⁵

du = 12x⁻⁵ dx

∫√u du = ∫u^(1/2) du

= (2/3)u^(3/2) + C

Substituting back u = -3x⁻⁴ + 1:

= (2/3)(-3x⁻⁴ + 1)^(3/2) + C

Explanation

Need analysis identifies what learners require versus what is currently offered.

It helps bridge the gap between the existing and desired curriculum goals.