គណនាអាំងតេក្រាល


គណនាអាំងតេក្រាល

[1]\int \frac{e^{2x}}{(e^x+1)^2}dx

[2]\int \sin x\cos 3x dx

[3]\int \sin 2x\sin 3x dx

[4]\int \frac{dx}{4x^2-12x+9}

[5] \int \cos ^4 x dx

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One Response

  1. hello teacher now teacher prepared math already or not yet?and please teacher put exercise math grade 9 alot .
    thanks your teacher
    by kimhonghuon math veryyear

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