The well-known formula for squaring a sum of two numbers or terms is [img width=196,height=40]https://images.planetmath.org/cache/objects/7427/js/img1.png[/img] So due to it we obtain (x^9+3)^2=x^{18}+6x^{9}+9
Numbers and figures are an essential part of our world, necessary for almost everything we do every day. As important…
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