Question

if x+y=5 and x-y=3, then find the value of x×y​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

x+y=5...... eq.1

x-y=3.......eq.2

Adding eq.1 and 2

x. +. y. = 5

x. -. y. = 3

___________

2x= 8

x=4

Substitution of x=4 in eq.1

4+y=5

y=1

To find...x×y

4*1=4