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A Level Maths - Variable Acceleration Q13 (mathsquestions.app)
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![[TAGALOG] Subtraction MultiDigit Numbers Paano Mag Subtract at Mag Borrow | Subtraction Tagalog Math](http://i.ytimg.com/vi/myaQw2RIixo/mqdefault.jpg "[TAGALOG] Subtraction MultiDigit Numbers Paano Mag Subtract at Mag Borrow | Subtraction Tagalog Math")
![Prove that |[1 +a^2 -b^2, 2ab, -2b],[2ab, 1-a^2 +b^2, 2a],[2b, -2a, 1-a^2 -b^2]| = (1 + a^2 + b^2)^3](http://i.ytimg.com/vi/B7UwIYXEcX8/mqdefault.jpg "Prove that |[1 +a^2 -b^2, 2ab, -2b],[2ab, 1-a^2 +b^2, 2a],[2b, -2a, 1-a^2 -b^2]| = (1 + a^2 + b^2)^3")