Question 11:- A thief runs with a uniform speed of 100 m/minute. After one minute, a policeman ran after to catch him. He goes with a speed of 100 m/minute in the first minute and increase his speed by 10 m/minute every succeeding minute. After how many minute the policeman will catch the thief ? … Read more
Question 2: Evaluate: Solution: Let ………….(i) Using property ……….(ii) Put New limits, when x = 0, t ⇒ 1 and x = π ⇒ t = -1 Putting in eq (ii) See the last year paper class 12 Mathematics cbse class 12 math paper 2024 set 2 series qss4r-4
Mathematics(2023-2024) Series: QSS4R/4(Q.P. Code 65/4/2) Dowload pdf :- cbse class 12 math paper 2024 set 2 series qss4r-4 Time allowed: 3 hours Maximum Marks: 80 General Instructions: Read the following instructions very carefully and strictly follow them : (i) This Question Paper contains 38 questions. All … Read more
Question:- X Y and Z can complete a piece of work individually in 6 hours 8 hours and 8 hours respectively. However, only one person at a time can work in each hour and nobody can work for two consecutive hours. All are engaged to finish the work. What is the minimum amount of time … Read more
Question 1: – A certain number of men can complete a piece of work in 6k days, where k is natural number. By what percent should the number of men be increased so that the work can be completed in 5k days ? [UPSC CSAT 2024] A). 10% … Read more
Question:- The present age of a father is three years more than three times the age of his son. Three years hence, the father,s age will be 10 years more than twice the age of the son. Determine their present ages. [CBSE 2020] Answer:- Let ‘x’ (in years) be the … Read more
Find the nth differential coefficient of x^3 cos x . This solution employs Leibnitz’s theorem, addressing the application and simplification of the nth derivative. For x^3 cos x , higher-order derivatives of x^3 beyond the fourth will become zero, simplifying the calculations. The detailed solution explores the use of trigonometric identities and combinations to derive … Read more
Learn how to Find the value of nth derivative of y=cos x cos 2x cos 3x using partial fractions and differentiation techniques. Follow our detailed step-by-step solution to master this calculus problem Q 10:- Find the value of nth derivative of . Solution:- Let ⇒ ⇒ ⇒ ⇒ ⇒ ⇒ Differentiate with respect to x ⇒ … Read more
Learn how to find nth derivative of the funcrtion e^x sin^2 x using partial fractions and differentiation techniques. Follow our detailed step-by-step solution to master this calculus problem Q 9:- Find nth derivative of the funcrtion . Solution:- Let ⇒ ⇒ Differentiate with respect to x ⇒ ⇒ . . . (i) Let then Thus, … Read more
Learn how to Find nth derivative of lox x^2using partial fractions and differentiation techniques. Follow our detailed step-by-step solution to master this calculus problem Q 8:- Find nth derivative of Solution:- Let ⇒ Differentiate with respect to x ⇒ Again differentiate with respect to x Again differentiate with respect to x ⇒ Now differentiate for … Read more