### June Revision Exercise 3 Q4

(i) (ii) Area of R As Back to June Revision Exercise 3

(i) (ii) Area of R As Back to June Revision Exercise 3

(a)(i) Let (a)(ii) *Students are expected to prove that gives the maximum area. (b)(i) latex xlatex \Rightarrow \frac{dy}{dx}=0latex y=-x^2latex y=-x^2latex x^3 + 2y^3 +3xy=klatex x^3 + 2(-x^2)^3 [...]

(i) When Equation of tangent: Equation of normal: (ii) Hence, tangent cuts curve again at (iii) At Q, At R, Back to June Revision Exercise 3

(i) For tangents to be parallel to the -axis, Sub into Thus, equations of tangents which are parallel to -axis are (ii) units per second. Back to June Revision Exercise 3

Please do check through the solutions on your own, especially for questions that we did not have chance to properly discuss during class. You may whatsapp me too if you have a burning question. [...]

Here is a compilation of all the Math articles/ opinions KS has done. Students should read them when they are free to improve their mathematics skills. They will come in handy! ðŸ™‚ For ease of [...]

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. KS Comments:

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. Total Volume Total Surface Area, Thus, gives a minimum total surface [...]

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) Differentiating the given equation by , (ii) Tangent parallel to [...]

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) (ii) Since the first two terms are equal, Third term KS Comments: [...]

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