Question

a minus b = 4 and ab = 12 find the value of a square minus a b +b. square ​

Answer 1

Answer:

a=6

b=2

according to the question,

6 sq -6×2+2sq

36-12+4

36-16

=20

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Answer 2

Answer:

592

Step-by-step explanation:

A.T.Q -

a-b=4     - i

ab=12      -ii

To Find : (-ab)^2 + (b)^2

Finding :

a=4+b     -iii

Put iii in ii

b^2+4b=12

b^2+4b-12=0

D = b^2 -4ac

D = 64

b = -b+root d/2

b =2

Put b in iii

a = 6

(-24)^2+4^2

576+16

= 592