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प्रश्न
Factorise : `x^2 + [a^2 + 1]/a x + 1`
उत्तर
`x^2 + [a^2 + 1]/a x + 1 = 0`
∴ `x^2 + ax + 1/a x + 1 = 0`
∴ `x(x + a) + 1/a (x + a) = 0`
∴ `(x + a)(x + 1/a) = 0`
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