Question

Simplify:

(a) (3 + √3 )(2 + √2 )

(b) (√5 - √2 ) (√5 + √2 ) ​

Answer 1

Answer:

1=6+3√2+2√3+√6

2= we will use a formula

(a+b)(a-b) =a^2-b^2

=(√5)^2-(√2)^2

=5-2

=3

Step-by-step explanation:

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Answer 2

a)

Step-by-step explanation:

(3+(3×3)×(2+(2×2)

(3+9)×(2+4)

12× 6

72

b)( (5×5)-(2×2))×((5×5)+(2×2))

(25-4)×(25+4)

21×29

609