Find the products of (z - 3) (z - 1) by using suitable identities
Answers
Answered by
20
Step-by-step explanation:
(z-3)(z-1)
=zsquare +z+3z-3
=zsquare+4z-3
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Answered by
23
Step-by-step explanation:
using identity (x+a) (x+b) =x²+(a+b) x+ab
(z-3)(z-1)
=(z) ^2+{(-3)+(-1)}z+(-3) (-1)
=z^2+(-4)z+3
=z^2-4z+3
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