Question

3/4 a²+ 3b² and 4( a² - 2/3 b²​

Answer 1

Answer:

(

4

3

a

2

+3b

2

)×4(a

2

−

3

2

b

2

)

=(

4

3

a

2

+3b

2

)×(4a

2

−

3

8

b

2

)

=

4

3

a

2

(4a

2

−

3

8

b

2

)×3b

2

(4a

2

−

3

8

b

2

)

=3a

4

−2a

2

b

2

+12a

2

b

2

−8b

4

=3a

4

+10a

2

b

2

−8b

4