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Let x Epsilon (2 π/4, π), y=| cos x | +|...

Let x `Epsilon (2 π/4, π)`, `y=| cos x | +| sin x |` what is `dy/dx` ?

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The correct Answer is:
`dy/dx=sin x+ cos x`
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MODERN PUBLICATION-TEST PAPER 4-PROBLEM
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  3. Let x Epsilon (2 π/4, π), y=| cos x | +| sin x | what is dy/dx ?

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  4. Write the least value of a for which the function f defined by f(x)=x^...

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  5. Evaluate:int x^2 dx/x*3 +1.

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  10. Check if the relation R on set of real numbers, defined as R = {(a,b) ...

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