1.

x2 + \(\frac{1}{x^{2}}\) + 2 – 3x – \(\frac{3}{x}\) का गुणनखण्ड कीजिए

Answer»

\(x^{2}+\frac{1}{x^{2}}+2-3 x-\frac{3}{x}\)

\(=\left(x+\frac{1}{x}\right)^{2}-3\left(x+\frac{1}{x}\right)\)

\(=\left(x+\frac{1}{x}\right)\left[x+\frac{1}{x}-3\right]\)



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