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$(1 + \sqrt{3})^2 - (1 - \sqrt{3})^2$ is :
- (a)a positive rational number.
- (b)a negative integer.
- (c)a positive irrational number.
- (d)a negative irrational number.
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(c) a positive irrational number
CBSE Class 10 Maths PYQ · Real Numbers · Irrational · 1 Mark · March 2025 · Standard
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