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Chapter 19 of 27
Formula Sheet

Vector AlgebraFormula Sheet

NATA · Mathematics

Free Vector Algebra formula sheet for NATA Mathematics 2026 — all important formulas, equations, and constants for quick reference.

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A comparison chart illustrating the key differences between scalar and vector quantities, providing examples for each.
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Formula Sheet — Vector Algebra

Important formulas and equations from Vector Algebra for NATA Mathematics.

Formulas — Vector Algebra

Basic Vector Concepts

|r⃗| = √(x² + y² + z²)
â = a⃗/|a⃗|
P₁P₂⃗ = (x₂-x₁)i⃗ + (y₂-y₁)j⃗ + (z₂-z₁)k⃗

Vector Operations

a⃗ + b⃗ = (a₁+b₁)i⃗ + (a₂+b₂)j⃗ + (a₃+b₃)k⃗
ka⃗ = ka₁i⃗ + ka₂j⃗ + ka₃k⃗

Section Formula

r⃗ = (mb⃗ + na⃗)/(m + n)
r⃗ = (mb⃗ - na⃗)/(m - n)
r⃗ = (a⃗ + b⃗)/2

Scalar (Dot) Product

a⃗ · b⃗ = |a⃗||b⃗|cos θ
a⃗ · b⃗ = a₁b₁ + a₂b₂ + a₃b₃
cos θ = (a⃗ · b⃗)/(|a⃗||b⃗|)
Projection of a⃗ on b⃗ = (a⃗ · b⃗)/|b⃗|

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Frequently Asked Questions

What topics are covered in Vector Algebra for NATA?
Vector Algebra is an important chapter in NATA Mathematics. It covers key concepts and formulas that are frequently tested in the exam. Key topics include: Basic Vector Concepts and Operations, Scalar (Dot) Product of Vectors, Vector (Cross) Product of Vectors, Scalar Triple Product and Vector Triple Product.
How important is Vector Algebra for NATA?
Vector Algebra is a frequently tested chapter in NATA Mathematics. Questions from this chapter appear regularly in previous year papers. There are 485 practice questions available for this chapter.
How to prepare Vector Algebra for NATA?
Start by understanding the core concepts, then solve practice questions. Focus on formulas and their applications. Use revision notes for quick review before the exam.

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Get the full Vector Algebra chapter — for free.

Practice questions, revision notes, formula sheet and AI doubt-solver for NATA Mathematics.