Question

Simplify
a. (5 + √5 )(5 - √5)
b. (√3 +√7)
^2​

Answer 1

Answer:

Answer:(5 + √5 )(5 - √5)

Answer:(5 + √5 )(5 - √5)5×5 +5×√5- 5×√5×√5×(-√5)

=25+5 √5−5√5 −5

25-5=20

$(√3 +√7) {}^{2}$

reffer as upper attachment

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