MathPhysics Academy

In this video, we solve Exercise 7.1 (Questions 1 and 2) from Class 10 Mathematics (National Book Foundation / Federal Board) covering Vectors in a Plane.

Learn the step-by-step method to choose appropriate scales and accurately draw vectors, handle negative vectors, and find resultant angles using the rectangular coordinate system.

📌 Topics Covered:

Choosing the right scale for vectors (Force, Velocity, Displacement, Acceleration)
Plotting vectors with angles in Cartesian/compass directions
Scaling and reversing vectors ($2\vec{P}$, $0.5\vec{P}$, $-\vec{P}$, $-1.5\vec{P}$, $-0.5\vec{P}$)
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This Multiply Trick will make you look like a GENIUS 😱🔥

99 x 8 = 792
77 x 2 = 154
66 x 3 = 198
44 x 5 = 220

TRICK: Multiply one digit, split it, add in the middle!

Example: 99 x 8
9 x 8 = 72 → Write 7 2 → 7+2=9 → 792

So 55 x 6 = ??? 🤔
90% will get it wrong!

Comment your answer 👇

School taught you the hard way. YouTube teaches you the smart way 😎

15% of 48 = ?

School:
15/100 x 48 = 720/100 = 7.2 (2 minute headache)

YouTube:
10% = 4.8
5% = 2.4
10% + 5% = 7.2 (5 seconds) 🔥

This trick works for ANY percentage! Save it now.

Comment 7.2 if you got it right 👇

School vs YouTube - Which one are YOU? 😂

School:
41 x 51 = 41 + 2050 = 2091 (1 minute waste)

YouTube:
1x1 = 1
4x5 = 20
4+5 = 9
Answer = 2091 (3 seconds) 🔥

They never taught us this fast trick in school!

Comment 2091 if you got it first try 👇

This NEW Division Trick is breaking the internet 🤯

They never taught you this in school!

870 ÷ 2 = 435

No calculator. No long division. Just count the 2s!
8 = 4 twos → 4
7 = 3 twos + 1 left → 3
10 = 5 twos → 5
Answer = 435 🔥

So easy your kids will love maths!

What is 870 ÷ 2? Comment 435 if you got it 👇

Everyone FORGOT Long Division after school 😱

25 ÷ 2 = ?
Quotient = 12
Remainder = 1

Divisor = 2
Dividend = 25

I bet your kids can do this faster than you! Comment your answer - What is 25 ÷ 2? 👇

You were taught fractions WRONG your whole life 😱

Look at this trick:
1/5 + 1/2 = 7/10
1/3 + 1/7 = 10/21

So 1/4 + 1/3 = ??? 🤔

HINT: Add the top, Multiply the bottom 😉
99% will fail the last one. I bet you can't!

Comment your answer 👇 I'll tell you if you're right ✅

Solve for x and prove you are a GENIUS 🧠🔥

x³ - 11 = 53
x = ???

90% will get it WRONG! I solved it in 5 seconds 😎

Comment your answer 👇 I will reply RIGHT or WRONG ✅

99% FAIL THIS 😳

12 - 5 = 7
14 - 5 = 9
So 16 - 5 = ??? 🤔

Looks easy but this trick will shock you! My nephew solved it in 2 seconds, can you?

Comment your answer below 👇 I'll reply if you're RIGHT ✅

Try this super easy addition trick

Master mental addition in seconds with this super easy math shortcut! Perfect for students, speed math practice, and sharpening your mental arithmetic.

Subscribe to MathPhysics for daily math tricks, shortcuts, and fast calculation hacks!

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