Help a Calculus dummy.
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46 | 86 | By inzenyrp 8 months 1 week ago |
Help me with this please.
The topic is Additional Topics in Ordinary DE of the first order.
y(3x^3 -x +y)dx + x^2(1-x^2)dy =0
The Philippine Institute of Civil Engineers is planning to construct its own building. Two proposals are being considered:
(a) The construction of the building now to cost PhP 400,000.00
(b) The construction of a smaller building now, to cost PhP 300,000.00 and at the end of 5 years, an extension to be added to cost PhP 200,000.00
Which proposal is more economical if interest is 20%, depreciation is disregarded and by how much?
PLEASE PO.. PATURO KUNG PANO KUMUHA NG REACTION AT PAANO ANG PAG MOMENT
This post is locked by moderator. Note: be more specific; provide more information.

Can anyone help to solve this question????
1. y(x^2+xy-2y^2)dx+x(3y^2-xy-x^2)dy=0
2. (x+ysin y/x)dx-xsin y/x dy=0
This is for Inverse Laplace Transform.
What will the Region of Convergence (Pole-zero plot) look like if the pole is equal to zero? The zeroes or the numerator has values but the poles or the denominator is just s.
What reference books used by this site? I know that it's Singer, right, but what edition? Thanks. Your reply is highly appreciated.
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Please upload more examples and answers on Dynamics sirs maam Thanks in advance
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