Given P(x) = x4 +ax3 + bx2 +cx + d such that x = 0 is the only real root of P' (x) =0. If P(–1) < P(1), then in the interval [–1,1] - (1) P (–1) is the minimum and P (1) is the maximum of P (2) P(–1) is not minimum but P(1) is the maximum of P (3) P(–1) is the minimum but P(1) is not the maximum of P (4) Neither P(–1) is the minimum nor P(1) is the maximum of P

in a physics laboratory a block x is balanced by a block Y of mass 200 kg,each are suspended from a balance of equal lever arms .the scale pan on X is at a height.H1=2 cm ,where as scale pan on Y is at height 1 cm above the floor.the error in weighing is (in gram)

consider the figure of a single riveted lap joint as follows

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cyclic heat engine operates between. temperature of 30 C. What is the least rate of heat rejection per kW net output of an engine. source temperature of 800 C and sink

 

 

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