Question

(a + b + c) (a - b + c) = (a2 + c^2 + c^2)
​

Answer 1

Answer:

(a+bc)(a−bc)(a

2

+b

2

c

2

) =[(a

2

)−(bc)

2

](a

2

+b

2

c

2

) [∵(a+b)(a−b)=a

2

−b

2

]

=(a

2

−b

2

c

2

)(a

2

+b

2

c

2

)

=(a

2

)

2

−(b

2

c

2

)

2

=a

4

−b

4

c

4

Answer 2

Answer:

that is your answer good luck