Implicit differentiation y^2 +4xy +x^2 = i need to know how the 4xy gets differentiated with product rule

How can i but "as william walking with his wife was seen"as a short sentnse

Read this example: original work - a novel about a man's struggles to returnhome to his family after spending the past ten yearsfighting in a war.which work would represent a change to the artistic medium of this originalwork? a. a story written about the man's adventures since the warb. a novel that translates the story into another language.c. a painting of the man wishing he was home with his familyd. a book written about the war the man was fighting

Analyze lowell’s use of symbolism in the poem “for the union dead.” explain how lowell’s use of symbolism to develop one or more themes in the text.