Question

a+b= 6, ab=11/4 find the value of 2a²-2b²​

Answer 1

Step-by-step explanation:

let a+b=6-----1

b=6-a

ab=11/4---2

2a²+2b²

2(a²+b²)

2(a²+(6-a)²)

2(a²+36+a²-12a)

2(2a²-12a+36)

4a²-24a+72=0

u solve this equation u will get ur answer