MCQOPTIONS
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				| 1. | 
                                    Given f (x,y)=ex cosy, what is the value of the fifth term in Taylor’s series near (1,\(\frac{π}{4}\)) where it is expanded in increasing order of degree & by following algebraic identity rule? | 
                            
| A. | \(\frac{-e(x-1)(y-\frac{π}{4})}{\sqrt{2}}\) | 
| B. | \(-\sqrt{2} e(x-1)(y-\frac{π}{4})\) | 
| C. | \(\frac{e(x-1)^2}{\sqrt{2}}\) | 
| D. | \(\frac{e(y-\frac{π}{4})^2}{\sqrt{2}}\) | 
| Answer» B. | |