👉🏼The angles in a triangle are in the ratio 1:2:9. What is the size of each angle?

👈🏼Factorise 3x^{2}-5x-2

👆🏼Express the following in the form 2^{n}: ,

👇🏼Simplify

🖐🏼f(x) = 3x-5. Find f^{-1}(x)

👉🏼The angles in a triangle are in the ratio 1:2:9. What is the size of each angle?

👈🏼Factorise 3x^{2}-5x-2

👆🏼Express the following in the form 2^{n}: ,

👇🏼Simplify

🖐🏼f(x) = 3x-5. Find f^{-1}(x)

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