Question

state whether the number (2root-3root)(2root+3root) is rational or irrational?​

Answer 1

Answer:

(root2-root3)(root2+root3)

Since (a-b)(a+b) = (a^2 - b^2)

= (2-3)

= -1 [which is rational]

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Answer 2

Step-by-step explanation:

2-3

=1....

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