20241216 Notes Qs As Yr13 Differentiation using Chain Rule & Implicit Differentiation
E.g.
We could multiply 5 into ONE of the brackets.
BUT I advise you NOT to.
BECAUSE your answer is ALREADY FULLY FACTORISED, and hence ready to find
stationary points, etc.
Do NOT do MORE work than you need to, because you COULD make a mistake,
and you are ALWAYS WASTING TIME.
p1 of 6
, 20241216 Notes Qs As Yr13 Differentiation using Chain Rule & Implicit Differentiation
E.g.
Leave this! No need to simplify further.
HOWEVER, let’s revise a bit.
EXTRA: Simply your answer so that it ONLY has DOUBLE ANGLES.
p2 of 6
E.g.
We could multiply 5 into ONE of the brackets.
BUT I advise you NOT to.
BECAUSE your answer is ALREADY FULLY FACTORISED, and hence ready to find
stationary points, etc.
Do NOT do MORE work than you need to, because you COULD make a mistake,
and you are ALWAYS WASTING TIME.
p1 of 6
, 20241216 Notes Qs As Yr13 Differentiation using Chain Rule & Implicit Differentiation
E.g.
Leave this! No need to simplify further.
HOWEVER, let’s revise a bit.
EXTRA: Simply your answer so that it ONLY has DOUBLE ANGLES.
p2 of 6
