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1. Write four facts of Panama Canal.

Non-stoichiometric cuprous oxide. Cu_(2)O can be perpared in laboratory. In this oxide, copper-to-oxygen ratio is slightly less than 2 : 1. can you account for the fact that this substance is a p-type semiconductors?

Suppose that f is a function such that 2x^(2)<=f(x)<=x(x^(2)+1) for all x that are near to 1 but not equal to 1. Show that this fact contains enough information for us to find lim_(x rarr1)f(x). Also,find this limit.

Find the coordinates of the vertex of the parabola y=x^2-4x+1 by making use of the fact that at the vertex, the slope of the tangent is zero.

Aviation is important, both as an industry in its own right and as a facilitator for the success and competitiveness of other industries. The success of the aviation industry is also integral to national competitiveness, economic development and social progress. More importantly, aviation supports those new economy sectors on which India's future prosperity relies, like information technology, biotechnology, finance and electronics. That India's air transport industry is on the rise is an undisputable fact. However, the Indian economy will only achieve its true potential if we are able to compete in the industries of the future. We need to be strong in the areas with potential to grow and the role of India's aviation sector is critical in this regard. Inference : India needs to make massive investments infrastructural development. 1) If the inference is 'definitely true'. i.e. it properly follows from the statement of facts given 2) if the inference is probably true though not 'definitely true' in the light of the facts given. 3) If the data are inadequate i.e. from the facts given you cannot say whether the inference is likely to be true or false 4) If the inference is probably false, though not "definitely false in the light of the facts given.