SECTION A 1. If A and B are invertible matrices of order 3, |A| = 2 and |(AB)–1| = –1/6, find |B|.Sol. 2. Differentiate sin2
Part–ASection – I All questions are compulsory. In case of internal choices attempt any one. Q1. Check whether the function f : R → R
SECTION – A 1. If A is a square matrix satisfying A’A = I , write the value of |A| .Sol. A’A = I
SECTION – A Question number 1 to 20 carry 1 mark each. 1. If a̅ = î + λĵ+ k̂ and b̅ = î +
Part–ASection–I All questions are compulsory. In case of internal choices attempt any one. Q1. Check whether the function f : R → R defined as
1. Let L1 be a straight line passing through the origin and L2 be the straight line x + y = 1. If the intercepts made
SECTION – A 1. If Solution: We have 2. Find the angle between the vectors î – ĵ and – k̂ .Solution: We’ve 3. Find the distance of a
Section A In this section, attempt any 16 questions out of Questions 1-20. Each question is of 1 mark weightage. 1. The point at which
Section A 1. If a matrix has 16 elements, then the number of its possible order is(a) 1 (b) 5 (c) 4 (d) 2 2.
PART – ASection – I 1. If Answer : We know that A–1 exists if |A| ≠ 0. OR Find the values of x for whichAnswer
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