Case study (Probability) Read the following and answer the question(Case study problem probability 3 chapter 13 class 12) There are two shops in a village market named Lila general store and Mina general store. In Lila general store 30 tin pure Mustard oil, 40 tin adulterated mustard oil while in Mina general store 50 tin … Read more
EXERCISE 3.2 (MATRIX) Class 12 ncert solution math exercise 3.2 matrix Question 1: A= ,B=,C= Find each of the following (a) (b) (c) (d) (e) Solution:(a) (b) (c) (d) (e) Question 2: Compute the following: (a) (b) (c) (d) Solution: (a) (b) (c) (d) Question 3: Compute the indicated products: (a) (b) (c) (d) (e) … Read more
EXERCISE 3.1 (MATRIX) Class 12 ncert solution math exercise 3.1 matrix Question 1: (i) The order of the matrix (ii) The number of elements (iii) Write the elements Solution: (i) Since, in the given matrix, the number of rows is 3 and the number of columns is 4 , the order of the matrix is … Read more
Case study Chapter 13 (Probability) Read the following and answer the question(Case study problem probability 2 chapter 13 class 12) in a village there are three mohallas A, B and C. In A, 60% farmers believe in new technology of agriculture, while in B, 70% and in C, 80%. A farmer is selected … Read more
Case study Chapter 13 (probability) Read the following and answer the question(Case study problem probability 1 chapter 13 class 12) In an office three employees Vinay, Sonia and Iqbal process incoming copies of a certain form. Vinay processes 50% of the forms. Sonia processes 20% and Iqbal the remaining of 30% of the form. Vinay … Read more
EXERCISE 5.5 ( Differentiation ) Differentiate the function with respect to (Class 12 ncert solution math exercise 5.5 differentiation) Question 1: Solution: Let Taking logarithm on both the sides, we obtain Differentiating both sides with respect to , we obtain Question 2:Differentiate the function with respect to Solution: Let Taking logarithm on … Read more
Chapter 5 Miscellaneous (differentiation ) Differentiate w.r.t. x the function in Exercises 1 to 11.(Class 12 ncert solution math chapter 5 miscellaneous) Question 1: Solution: Let Differentiate with respect to x Question 2: Solution: Let Differentiate with respect to x Question 3: Solution: Let Taking ‘log’ both side Question 4: Solution: Let Differentiate with respect … Read more
Exercise 5.7 ( Differentiation) Find the second order derivatives of the functions given in Exercises 1 to 10.(Class 12 ncert solution math exercise 5.7 differentiation) Question:1 Solution: Let y = Then, differentiate with respect to x Again differentiate w.r. to x Question 2: Solution: Let Diffrentiate with respect to x Again d.w.r. to x … Read more
EXERCISE 4.3 (Determinants) Question 1: Find area of the triangle with vertices at the point given in each of the following:(Class 12 ncert solution math exercise 4.3 determinants) (i) (ii) (iii) Solution: (i) The area of the triangle with vertices is given by the relation, Hence, area of the triangle is square units. (ii) … Read more
EXERCISE 4.6 ( Determinants ) Question 1: Examine the consistency of the system of equations:(Class 12 ncert solution math exercise 4.6) Solution: The given system of equations is: The given system of equations can be written in the form of , where Hence, =3-4 So, is non-singular. Therefore, exists. Thus, the given system … Read more