WebbSolved Examples on Class 12 Three Dimensional Geometry Question 1: If a line makes angles 90°, 135°, 45° with the x, y and z-axes respectively, find its direction cosines. Solution: Let the direction cosines of the line be l, m and n. Here let α = 90°, β = 135° and γ = 45° As we know, l = cos α, m = cos β and n = cos γ Thus, direction cosines are: WebbImportant Questions for exams Class 12 Chapter 1 Class 12 Relation and Functions Chapter 2 Class 12 Inverse Trigonometric Functions Chapter 3 Class 12 Matrices …
Ex 4.4, 2 - Write Minors, Cofactors of determinants - Class 12
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Ex 4.5, 5 - Chapter 4 Class 12 Determinants (Term 1) - teachoo
WebbExercise 13.4 of NCERT Solutions for Class 12 Maths Chapter 13 – Probability is based on the following topics: Random Variables and Their Probability Distributions The probability distribution of a random variable Mean of a random variable The variance of a … WebbClass 12 board exam is one of the most important exams in the life of a student. The Class 12 board exam result determines the fate of a student. Whether or not you will be able to get into a good college for your graduation (Bachelor’s degree) will depend a lot on your Class 12 results. WebbDeterminants are discussed in Chapter 4 of the NCERT Maths Solution for Class 12. The definition and meaning of … Courses 367 View detail Preview site NCERT Solutions for Class 12 Maths [with Examples, Misc] - Teachoo 1 week ago Web Get NCERT solutions for Class 12 Maths free with videos. buying handmade items