Question

Simplify: (√2+3p+3√2r)^2-(√2-3p-3√2r)^2​

Answer 1

Answer:

Answer

Correct option is

A

1

(

2

+3p+3

2r

)

2

−(

2

−3p−3

2r

)

2

Using a

2

−b

2

=(a−b)(a+b) we have

=(

2

+3p+3

2r

−

2

+3p+3

2r

)(

2

+3p+3

2r

+

2

−3p−3

2r

)

=(6p+6

2r

)(2

2

)

=12

2

(p+

2r

)

=12p

2

+24p

r

=12(

2

p+2

r

)

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