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본문내용
Problems
2.1 Use algebraic manipulation to prove that x + yz = (x + y) • (x + z)
(x + y) • (x + z) = xx + xz + xy + yz
= x + xz + xy + yz
= x • (1 + z + y) +yz
= x • 1 +yz
= x + yz
2.2 Use algebraic manipulation to prove that (x + y) • (x + y’) = x
2.1 Use algebraic manipulation to prove that x + yz = (x + y) • (x + z)
(x + y) • (x + z) = xx + xz + xy + yz
= x + xz + xy + yz
= x • (1 + z + y) +yz
= x • 1 +yz
= x + yz
2.2 Use algebraic manipulation to prove that (x + y) • (x + y’) = x
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