Special Products 1
\(\, \, \, \,{\left({x}^{2}+{y}^{2}\right)}^{2}\)
= \({\left(A+B\right)}^{2}\) , where \(A={x}^{2}\) and \(B={y}^{2}\)
= \(A^2+2AB+B^2\)
= \({\left({x}^{2}\right)}^{2}+2\left({x}^{2}\right)\left({y}^{2}\right)+{\left({y}^{2}\right)}^{2}\)
= \({x}^{4}+2{x}^{2}{y}^{2}+{y}^{4}\)
Algebra
Analytic Geometry
Differential Calculus
Integral Calculus
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Copyright © Dayal D. Purohit, Ph.D.(Mathematics)