Question: Problem #9. (10%) Find 6w/6S and w/t using the appropriate Chain rule. Evaluate each partial derivative at a given values of S and 2': w=cos(4x+5y),x=s+t,y:st;


Problem #9. (10%) Find 6w/6S and w/t using the appropriate Chain rule. Evaluate each partial derivative at a given values of S and 2': w=cos(4x+5y),x=s+t,y:st; 5:0, =7Z/2
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