០១.តេស្តគណិតវិទ្យាទី១២

០១.តេស្តគណិតវិទ្យាទី១២

11th - 12th Grade

14 Qs

quiz-placeholder

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០១.តេស្តគណិតវិទ្យាទី១២

០១.តេស្តគណិតវិទ្យាទី១២

Assessment

Quiz

Mathematics

11th - 12th Grade

Hard

Created by

Special Learning

Used 2+ times

FREE Resource

14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 2y´+y=0 , y(ln4)=122y´+y=0\ ,\ y\left(\ln4\right)=\frac{1}{2}  

 y=e12xy=e^{-\frac{1}{2}x}  

 y=e2xy=e^{2x}  

 y=exln4y=e^{x\ln4}  

 y=2exy=2e^x  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 3y´+12y=0   ,  y(1)=2-3y´+12y=0\ \ \ ,\ \ y\left(1\right)=2  

 y=e(4x4)y=e^{\left(4x-4\right)}  

 y=2e(4x4)y=2e^{\left(4x-4\right)}  

 y=2e4xy=2e^{4x}  

 y=2e4xy=2e^{-4x}  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 y´+2y=x2  ,   y(0)=2y´+2y=x^2\ \ ,\ \ \ y\left(0\right)=2  

 y=74e2x+12x212x+14y=\frac{7}{4}e^{-2x}+\frac{1}{2}x^2-\frac{1}{2}x+\frac{1}{4}  

 y=74e2x+12x212xy=\frac{7}{4}e^{-2x}+\frac{1}{2}x^2-\frac{1}{2}x  

 y=14e2x+12x212x14y=\frac{1}{4}e^{-2x}+\frac{1}{2}x^2-\frac{1}{2}x-\frac{1}{4}  

 y=74e2x12x212x+14y=\frac{7}{4}e^{-2x}-\frac{1}{2}x^2-\frac{1}{2}x+\frac{1}{4}  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 y"+2y´+2y=0y"+2y´+2y=0  

 y=(c1cosx+c2sinx), c1,c2INy=\left(c_1\cos x+c_2\sin x\right),\ c_1,c_2\in IN  

 y=ex(c1cosx+c2sinx), c1,c2INy=e^x\left(c_1\cos x+c_2\sin x\right),\ c_1,c_2\in IN  

 y=ex(c1cosx+c2sinx), c1,c2INy=e^{-x}\left(c_1\cos x+c_2\sin x\right),\ c_1,c_2\in IN  

 y=ex(c1cos(x)+c2sin(x)), c1,c2INy=e^x\left(c_1\cos\left(-x\right)+c_2\sin\left(-x\right)\right),\ c_1,c_2\in IN  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

គណនា A=limx0(1+sinx)1xA=\lim_{x\rightarrow0}\left(1+\sin x\right)^{\frac{1}{x}}  

 A=1A=1  

 A=eA=e  

 A=e1A=e^{-1}  

 A=+A=+\infty  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

គណនា f"(x)f"\left(x\right)  ដោយដឹងថា  f(x)=11+x3f\left(x\right)=\frac{1}{1+x^3}  


 f"(x)=6x(2x31)x3+1f"\left(x\right)=\frac{6x\left(2x^3-1\right)}{x^3+1}  

 f"(x)=x(2x36)(x3+1)3f"\left(x\right)=\frac{x\left(2x^3-6\right)}{\left(x^3+1\right)^3}  

 f"(x)=6x(2x31)(x3+1)2f"\left(x\right)=\frac{6x\left(2x^3-1\right)}{\left(x^3+1\right)^2}  

 f"(x)=6x(2x31)(x3+1)3f"\left(x\right)=\frac{6x\left(2x^3-1\right)}{\left(x^3+1\right)^3}  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

គណនាតម្លៃ  A=log327log327log1327log32(6427)\ A=\log_327-\log_{\sqrt{3}}27-\log_{\frac{1}{3}}27-\log_{\frac{\sqrt{3}}{2}}\left(\frac{64}{27}\right)  

 A=4A=4  

 A=log32A=\log_32  

 A=16A=\frac{1}{6}  

 A=6A=6  

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