CBSE 12 Science Solutions for MCQ Maths Application of Derivatives in English to enable students to get Solutions in a narrative video format for the specific question.

Expert Teacher provides CBSE 12 Science Solutions for MCQ Maths Application of Derivatives through Video Solutions in English language. This video solution will be useful for students to understand how to write an answer in exam in order to score more marks. This teacher uses a narrative style for a question from Application of Derivatives not only to explain the proper method of answering question, but deriving right answer too.

Please find the question below and view the Solution in a narrative video format.

** Question:**

** Solution Video in** **English****:**

You can select video Solutions from other languages also. Please check Solutions in ( Hindi )

**Question 1** : A tank with a rectangular base and rectangular sides, open at the top is to be constructed so that its depth is 2m and volume is If the building of tank costs Rs.70 per sq meter for the base and Rs.45 per sq meter for sides. What is the cost of least expensive? (View Answer Video)

**Question 2** : The point on the curve which is nearest to the point (0, 5) is :

(View Answer Video)

**Question 3** : The slope of the normal to the curve at x = 0 is: (View Answer Video)

**Question 4** : The normal to the curve passing (1, 2) is: (View Answer Video)

**Question 5** : The maximum value of is, (View Answer Video)

**Question 1** : The objective function is maximum or minimum, which lies on the boundary of the feasible region. (View Answer Video)

**Question 1** : Evaluate : (View Answer Video)

**Question 2** : Evaluate : . (View Answer Video)

**Question 3** : Find the integral of the function . (View Answer Video)

**Question 4** : Evaluate : (View Answer Video)

**Question 5** : Find the integral of the function . (View Answer Video)

**Question 1** : Let * be the binary operation on N given by a * b = LCM of a and b. Find the identity of * in N. (View Answer Video)

**Question 2** : Let R be the relation in the set N given by :

R = {(a, b) : a = b - 2, b > 6}.

Choose the correct answer : (View Answer Video)

**Question 3** : Let * be any binary operation on the set R defined by a * b = a + b – ab, then the binary operation * is, (View Answer Video)

**Question 4** : If f is the greatest integer function and g is the modulus function . Write the value of g o f(-1/3) – f o g ( -1/3 ) . (View Answer Video)

**Question 5** : The identity element for the binary operation * defined by a * b = , where a, b are the elements of a set of non-zero rational numbers, is, (View Answer Video)