State weather the number (root2-root3)(root2+root 3)is rational or irrational . justify
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Answered by
145
(√2 - √3)(√2 + √3) = √2² - √3² = 2-3 = -1 which is a rational no.
and that's why, (√2 - √3)(√2 + √3) is a rational no.
and that's why, (√2 - √3)(√2 + √3) is a rational no.
Answered by
100
Answer:
Step-by-step explanation:
(√2 - √3)(√2 + √3)
= √2² - √3²
= 2-3 =-1.
we have -1 which is a rational no.
and that's why, (√2 - √3)(√2 + √3) is a rational number.
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