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Revision on Sec 3E(Algebraic Manipulation 1)

**HOW TO CHANGE THE SUBJECT of A Formula?**

**A)** Change "**2 Level to 1 Level**"

**HOW?**

1. Scan from Left to Right.

2. Look at denominator.

3. You see **3.**

Use the "**Power of Balance**".

**Balance Law** in FiloMaths

- states that if whatever You have done on the Left hand side, you must do the same on the Right hand side.

4. Left side x3 = Right side must also x3.(See Step 2)

5. Left side x(1/2PI) = Right side must also x(1/2PI).(See Step 3)

6. Left side squared = Right side must also squared.(See Step 4)

7. Left side x(4PI squared) = Right side must also x(4PI squared).(See Step 5)

8. Left side x(s squared) = Right side must also x(s squared).(See Step 6)

9. Left side x 1/(9p squared) = Right side must also x 1/(9p squared).(See Step 7)

10. Left side x(power of 1/2) = Right side must also x(power of 1/2).(See Step 8)

**"Squared is to get rid of Square root. To square root is to get rid of square."**

(If you do not understand Balance on No 10, the above mantra is another way to help you)

**B)** Finally use the Power of "**Modification**"

**Modification's Law **in Filomaths states that the 'physical' of the equation must remain intact.

Eg: -3+5 if you change to 5 - 3 is called Modification.

-3 + 5 if you change to 2 is called Transformation.

Purpose of Modification: To look better!!!!

NOTE:

**Transformation's Law** in FiloMaths states that the 'physical' of the equation is totally

change but the essence(answer) remain intact.

Conclusion: If you truly understand what is **BALANCE** you know almost everything!

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