Question

if a+b =6 and a - b =4 find 4ab​

Answer 1

Answer:

• a+b=6 (let say equation 1)
• a-b=4 (let say equation 2)
• now add both equation

a+b=6

a-b=4

+

=>2a =10 (b cancel our cause of positive negative)

a=10/2

a=5

Now put value of a in equation 1

a+b=6

5+b=6

b=6-5

b= 1

here is your answer broo form Suraj

Answer 2

Refer The Attachment ⬆️

• Value of 4ab = 20

$\Large{✓}$

Hope It Helps You ✌️