Question

If a + b = 4 and ab = -12, find (i) a - b (ii) a2 - b2.​

Answer 1

By this u understand properly

Answer 2

ii= -16/-32 according to what u meant so pls check explanation to see y there 2 answers

i Hope it helps..

Answer:

i= -8

Step-by-step explanation:

experiment with diff values now if we take these//

if a=-2

b=6 then

a+b=4=-2+6=4 its true

and -2*6=12 also

so

i. -2-6 = -8

ii. i am confused if its a*2 or ^2 so am doing both..

ii.a) -2*2-6*2

     -4-12

     -16

ii.b) -2^2-6^2

     4-36

  -32