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E T Whittaker was a mathematician and physicist known for his works in applied mathematics, especially on mathematical physics. He is most famous for his book "A Course in Modern Analysis" that he co-authored with G. N. Watson. He also made significant contributions to the field of Fourier analysis.
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E. Jean Whittaker has written:
'A Seventeenth Century Flora of Cumbria'
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Whittaker's system has five kingdoms, which Linnaeus's system does not. Robert Whittaker was a plant ecologist.
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Jerry Whittaker is the son of John Avery Whittaker on Adventures in Odyssey
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Jodie Whittaker's birth name is Jodie Auckland Whittaker.
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Peter Whittaker has written:
'Whittaker's wild west blower'
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Henry Whittaker has written:
'Incidents in the life of Henry Whittaker'
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Use the product and chain rules:
d/dt te^(-t²) = (d/dt t)e^(-t²) + t(d/dt e^(-t²))
= 1 × e^(-t²) + t × e^(-t²) × d/dt -t²
= e^(-t²) (1 + t × -2t)
= (1 - 2t²)e^(-t²)
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To find the number of times the letters in a word can be rearranged, you would use the formula nPr to find the number of permutations of the letters.
There are 24 ways to rearrange the letters:
{t,i,m,e} {t,i,e,m} {t,m,i,e} {t,m,e,i} {t,e,i,m} {t,e,m,i} {i,t,m,e} {i,t,e,m} {i,m,t,e} {i,m,e,t} {i,e,t,m} {i,e,m,t} {m,t,i,e} {m,t,e,i} {m,i,t,e} {m,i,e,t} {m,e,t,i} {m,e,i,t} {e,t,i,m} {e,t,m,i} {e,i,t,m} {e,i,m,t} {e,m,t,i} {e,m,i,t}
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The cast of Roger Whittaker i Tivoli - 1972 includes: Roger Whittaker as himself
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