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junior college 1 | H2 Maths
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iv and v plssss
Date Posted: 4 years ago
Views: 402
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since you requested only for (iv) & (v), I have omitted workings for (i), (ii) & (iii), but have included the answers so you can check with what you have.
for (iv), if the normals of the 2 planes are not parallel, that the 2 planes cannot be parallel.
for (v) show that P also lies in plane 2; this means that P must lie along L.
the direction vector of L must be perpendicular to the normal of the 2 planes.
for (iv), if the normals of the 2 planes are not parallel, that the 2 planes cannot be parallel.
for (v) show that P also lies in plane 2; this means that P must lie along L.
the direction vector of L must be perpendicular to the normal of the 2 planes.
Date Posted:
4 years ago
sorry, as pointed out by caleb, there is a mistake in the cross product.
to save time, i tend to use cut and paste of working from my other answers, and sometimes, like here, miss out changing some of the numbers.
in the cross product, second row, the -1 should be a 1. so in the result of the cross product, and in the final vector equation, the 7 should be replace by 3.
thanks again to caleb for pointing out the mistake.
to save time, i tend to use cut and paste of working from my other answers, and sometimes, like here, miss out changing some of the numbers.
in the cross product, second row, the -1 should be a 1. so in the result of the cross product, and in the final vector equation, the 7 should be replace by 3.
thanks again to caleb for pointing out the mistake.
It's okay thank youuu
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Boy Mow Chau's answer is more elegant and transferable.
But my answer happens to be correct, he made an insignificant numerical error in the cross product (I do that all the time in other questions, so I emphasize I am correct again in this question right here).
This approach also requires less prior knowledge to appreciate.
But my answer happens to be correct, he made an insignificant numerical error in the cross product (I do that all the time in other questions, so I emphasize I am correct again in this question right here).
This approach also requires less prior knowledge to appreciate.
Date Posted:
4 years ago
Thank youuu
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