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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