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How do you express "no matter" in Chinese?

Firstly, there are two expressions that you can use to express "no matter", these are: 1.不管 (bùguǎn) ……，都(dōu) /也 (yě)…… OR 2. 无论(wúlùn)/不论(bùlùn)……，都(dōu)/也(yě)…… The first one is more informal th...
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Answered by Lijie Y. • Mandarin tutor
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How do I prove that the differential of coshx is equal to sinhx?

Before this proof, it is important to appreciate that both of these hyperbolic functions can be written in terms of e^x. Therefore, before you begin to differentiate, you must represent coshx as (e^x + e^-x)...
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3. The point P lies on the curve with equation y=ln(x/3) The x-coordinate of P is 3. Find an equation of the normal to the curve at the point P in the form y = ax + b, where a and b are constants.

P- (3,0) y=ln(x/3) u=x/3 y=ln(u) ​​​​​​ du = 1/3 dy = 1/u = 3 dx du dy = du x dy dx dx du = 1/3 x 3 = 1 gradient at normal = -1 equation at normal = y = m(x) + c 0 = -3 + c 3 = c Answer: equation at normal =...
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Answered by Kaushalya B. • Maths tutor
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In a sale a bag is reduced by 30%. The bag is now £31.50. Work out the original price of the bag.

£45.00
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Answered by Safiya C. • Maths tutor
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Solve this simultaneous equation: (1) 2x+3y=12 (2) x+4y=11

x=3,y=2
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Answered by Safiya C. • Maths tutor
4137 Views