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= -2√10 +3√6 =
= -2*√2*√5 + 3*√2*√3 =
= √2(-2√5 + 3√3)=
= √2 (3√3 -2√5)
c) 2√11 - ∛-11 + 7∛11 - √11=
= √11 +∛11 + 7∛11 =
= √11 +8∛11
d) -6(√14 - 2) - 4√14/2 =
= -6√14 + 2*6 - 4√14 /2 =
= -6√14 +12 - 2√14 =
= -8√14 + 12
e) 2(√13 + √3) - 4(√13 - 3)=
= 2√13 +2√3 - 4√13 +4*3 =
= -2√13 +2√3 +12
f) -(∛2 - 2∛6) + 3(5∛2 - ∛-6) =
= -∛2 +2∛6 + 15∛2 - 3∛-6 =
= 14∛2 + 2∛6 - (-∛6) =
= 14∛2 + 2∛6 +∛6 =
= 14∛2 + 3∛6