Wzory skróconego mnożenia. Zadania w załączniku i wzór.
1)
2)
3)
[
tex](3+6a)^{3} = \\
3^{3} + 3(3^{2})(6a) + 3(3)(6a)^{2} + (6a)^{3}=\\
27 + 3(9)(6a) + 9(36a^{2}) + 36a^{3}=\\
27 + 27(6a) + 324a^{2} + 36a^{3}=\\
27 + 162a + 324a^{2} + 36a^{3}[/tex]
4)
5)
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1)
2)
3)
[
tex](3+6a)^{3} = \\
3^{3} + 3(3^{2})(6a) + 3(3)(6a)^{2} + (6a)^{3}=\\
27 + 3(9)(6a) + 9(36a^{2}) + 36a^{3}=\\
27 + 27(6a) + 324a^{2} + 36a^{3}=\\
27 + 162a + 324a^{2} + 36a^{3}[/tex]
4)
5)