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The product of two irrational numbers 3 + √5 and 3 - √5 is a/an 

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The product of two irrational numbers 3 + √5 and 3 - √5 is a/an 

(A) rational number

(B) irrational number

(C) both (A) and (B)

(D) none of these

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1 Answer

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Best answer

Correct option is (A) rational number

Product = (3 + √5) (3 - √5)

= 32 - (√5)2

= 9 - 5

= 4

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