If f(x,y)=sin(e^(ax)+e^(by)) then f_(xy)= -Turito

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General

Easy

Maths-

If $f left parenthesis x comma y right parenthesis equals S i n invisible function application open parentheses e to the power of a x end exponent plus e to the power of b y end exponent close parentheses$ then $f subscript x y end subscript equals$

Maths-General

$- a b e^{a x + b y} C o s (e^{a x} + e^{b y})$
$a b e^{a x + b y} C o s (e^{a x} + e^{b y})$
$- a b e^{a x + b y} S i n (e^{a x} + e^{b y})$
$a b e^{a x + b y} \cdot S i n (e^{a x} + e^{b y})$

Answer:The correct answer is: $negative a b e to the power of a x plus b y end exponent S i n invisible function application open parentheses e to the power of a x end exponent plus e to the power of b y end exponent close parentheses$

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