What is expand (x,y)(1,-1)(x,y)(1,1) ?

The solution to expand (x,y)(1,-1)(x,y)(1,1) is 1*(1*1,)(,xy)(,xy),-1*(1*1,)(,xy)(,xy)

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expand (x,y)(1,-1)(x,y)(1,1)

expand

(x, y) (1, - 1) (x, y) (1, 1)

1 \cdot (1 \cdot 1,) (, x y) (, x y), - 1 \cdot (1 \cdot 1,) (, x y) (, x y)

Solution steps

(x, y) (1, - 1) (x, y) (1, 1)

= (1, - 1) (1 \cdot 1,) (, x y) (, x y)

Apply the distributive law:

a (b - c) = ab - a c

a = (x, y) (x, y) (1, 1), b = 1,, c = 1

= (x, y) (x, y) (1, 1) \cdot 1, - (x, y) (x, y) (1, 1) \cdot 1

= 1 \cdot (1 \cdot 1,) (, x y) (, x y), - 1 \cdot (1 \cdot 1,) (, x y) (, x y)

- \frac{4 x - 1}{3 x ^{2}}

\frac{2 ( n + 6 )}{n}

(e^{x} - 1) (x + h)

\frac{( k ( k + 2 ) + 1 )}{( k + 1 ) ( k + 2 )}

9 sin ((n + 2) π) - 9 sin (n) π

What is expand (x,y)(1,-1)(x,y)(1,1) ?
The solution to expand (x,y)(1,-1)(x,y)(1,1) is 1*(1*1,)(,xy)(,xy),-1*(1*1,)(,xy)(,xy)