Question

If
a+b= 9 and ab= -2 find .a-b
and a²-b²​

Answer 1

Step-by-step explanation:

a+b=9 ........(1)

ab=-2

a=-2/b................... (2)

from eq. 1 nd 2 we get

-2/b +b = 9

taking LCM,

-2+b^2=9b

b^2-9b-2=0

Answer 2

Answer:

here is your answer mate♥️♥️♥️♥️

plzzz mark as brainlist........