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Mathematics

Discuss the nature of the roots of the following equation without actually solving it:

2x2 - 26x2\sqrt{6}x + 3 = 0

Quadratic Equations

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Answer

Comparing 2x2 - 26x2\sqrt{6}x + 3 = 0 with ax2 + bx + c = 0 we get,

a = 2, b = 26-2\sqrt{6} and c = 3.

We know that,

Discriminant (D) = b2 - 4ac = (26)2(-2\sqrt{6})^2 - 4 × 2 × 3

= (4 × 6) - 24 = 24 - 24 = 0;

Since, b is irrational and discriminant equals to zero.

Hence, the roots are irrational and equal.

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