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OW - OZ
Moment of truth
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The word 'nanotechnology' is first coined by University of Tokyo researcher Norio Taniguchi back in 1974. |
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odd function Math.
A function f(x) is said to be odd if f(x) = -f(-x). For instance, f(x) = x3 is an odd function since the function changes sign when variable x
is change sign. An odd function is not symmetrical about an axis but have a centre of symmetry about the origin.
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