Question

find the product and evaluate it for x=1,y=-1
(a):- (2y+3x) (3y-2x)
(b):-(x²+y²) (x²-y²)​

Answer 1

a)

$(2 \times - 1 + 3 \times 1)(3 \times - 1 - 2 \times 1)$

$( - 2 + 3)( - 3 - 2)$

$1 \times - 5$

$- 5$

b)

$({1}^{2} + { - 1}^{2} )( {1}^{2} - { - 1)}^{2}$

$(1 + 1)(1 - 1)$

$2 \times 0$

$0$

Answer 2

Step-by-step explanation:

put the value which is given and you will get the ans.