Question 11 Practice Paper 1 CORE 1 A AS Maths
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@jagexbluedragonarmy wow are u actually doin a level maths lol
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This is a really bad way to teach this, I have just done the same question in 6 simple lines...
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No, the gradient of the normal is -1 divided by the gradient of the tangent
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Indeed I agree with the answer as I would have calculated, but in my conscious Bodmas came into my mind , you have explained this clearly and with great precision, thanks ..
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Thanks really helpful notes, i'm taking my core 1 maths paper in jan 09 so hopefully your videos and my notes will help me achieve my grade ..
MathsStudent ;)
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when finding the tangent don't you times the gradient by -1??
vietnamese 2 years ago
you multiply by -1 if the gradient of the normal is required.
mathstutor
mathstutorbiz 2 years ago
as long as the method used obtains required equation examiner will not mind which method used, as long as it is clear.
mathstutor
mathstutorbiz 3 years ago
3-4+4=3? does not bodmas apply to this particular equation?
jagexbluedragonarmy 3 years ago
BODMAS is Division & Multiplication before Addition & Subtraction, it is NOT however the order of Division OR Multiplication and Addition OR Subtraction. It need not be BODMAS could be BOMDSA or BODMSA or BODMSA but these are not so easy to pronounce! So 3 - 4 + 4 = "from left to right" = (3 - 4) + 4 = -1 + 4 = 3. Or you could write as an addition: So 3 - 4 + 4 = (+3) + (-4) + (+4) = 3. OR use a BODMAS friendly calculator and get my answer.(all scientific calculators are BODMAS) mathstutor
mathstutorbiz 3 years ago
try watching again.
mathstutorbiz 3 years ago