The approximate value of function f(x + x, y + y) is? – McqOptions

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1.	The approximate value of function f(x + x, y + y) is?
A.	f + <sup> f</sup> <sub> x</sub> dx + <sup> f</sup> <sub> y</sub> dy
B.	<sup> f</sup> <sub> x</sub> dx + <sup> f</sup> <sub> y</sub> dy
C.	f <sup> f</sup> <sub> x</sub> dx + <sup> f</sup> <sub> y</sub> dy
D.	<sup> f</sup> <sub> x</sub> dx <sup> f</sup> <sub> y</sub> dy
Answer» B. <sup> f</sup> <sub> x</sub> dx + <sup> f</sup> <sub> y</sub> dy

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