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# RD Chapter 30- Derivatives Ex-30.5 Interview Questions Answers

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Question 1 : Differentiate the following functions with respect to x: Let us consider

y = We need to find dy/dx

We know that y is a fraction of two functions say u and v where,

u = x2 +1 and v = x + 1

y= u/v

Now let us apply quotient rule of differentiation.

By using quotient rule, we get Question 2 : Let us consider

y = We need to find dy/dx

We know that y is a fraction of two functions say u and v where,

u = 2x – 1 and v = x2 +1

y= u/v

Now let us apply quotient rule of differentiation.

By using quotient rule, we get Question 3 : Let us consider

y = We need to find dy/dx

We know that y is a fraction of two functions say u and v where,

u = x + ex and v= 1 + log x

y= u/v

Now let us apply quotient rule of differentiation.

By using quotient rule, we get  Question 4 : Let us consider

y = We need to find dy/dx

We know that y is a fraction of two functions say u and v where,

u = ex – tanx and v = cot x – xn

y= u/v

Now let us apply quotient rule of differentiation.

By using quotient rule, we get Question 5 : Let us consider

y = We need to find dy/dx

We know that y is a fraction of two functions say u and v where,

u = ax2 + bx +c and v = px2 + qx + r

y= u/v

Now let us apply quotient rule of differentiation.

By using quotient rule, we get Todays Deals  ### RD Chapter 30- Derivatives Ex-30.5 Contributors krishan

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