If a = 3 + 2√2 and b =3-2√2 then find value of a^2 and b^2

1.	If a = 3 + 2√2 and b =3-2√2 then find value of a^2 and b^2
Answer» ANSWER: a^2=3^2 +( 2√2) ^2 +2×3×2√2 =9+8+12√2 =17+12√2 b^2=3^2 +(2√2) ^2 -2×3×2√2 =9+8-12√2 =17-12√2

Answer»

ANSWER:

a^2=3^2 +( 2√2) ^2 +2×3×2√2

=9+8+12√2

=17+12√2

b^2=3^2 +(2√2) ^2 -2×3×2√2

=9+8-12√2

=17-12√2

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If a = 3 + 2√2 and b =3-2√2 then find value of a^2 and b^2

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