Question

If A+B = 4 And Ab =3;Find 1÷ B2+1÷A2

Answer 1

Hello friend❤

Refer to the attachment

#btsarmy #bangtanlover

Answer 2

Answer:

10/9

Step-by-step explanation:

( A+B)^2 =A^2 + B^2 +2AB

AB=3

4^2 = A^2 +B^2 +2(3)

16 - 6 = A^ 2 + B^2

10= A^2 + B^2

1/B^2 + 1/A^2.=( A^2 + B^2)/(AB)^2

by putting values

10/(3)^2

10/9