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Physics
A particle executes simple harmonic motion between x = – A and x = +A. The time taken for it to go from 0 to A/2 is T₁ and to go from A/2 to A is T₂. Then (a) T₁<T₂ (b) T₁>T₂ (c) T₁ = T₂ (d) T₁ = 2T₂
Chemistry
HBr reacts fastest with: (a) 2-methylpropan – 2 – ol (b) propan – l – ol (c) propan – 2 – ol (d) 2 – methylpropan – l – ol
Mathematics
Given f¹ (2) = 6 and f¹ (1) = 4, is equal to (a) 3/2 (b) 3 (c) 5/2 (d) –3

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