Let n be a natural no. and let a be a real no. The no. of zeroes of x raised to 2n + 1 - ( 2n + 1) x + a = 0 in the interval of [ -1 , 1] isA) 2 if a>0 B) 2 if a<0 C) at most one for every value of a D) at least 3 for every value of a

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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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