find the product of 1+3√2and1-3√2. is this product a rational or irrational
Answers
Answered by
3
Answer:
The product is a rational number
Step-by-step explanation:
(1+3√2) × (1-3√2) [(a+b)(a-b) = a²-b²]
= {(1)² - (3√2)²}
= 1-18
= -17 (rational)
Answered by
3
Answer:
1+3√2) (1-3√2)
=(1) ^2-(3√2) ^2
=1-9×2
=1-18
=-17
I hope it will helpfull....☺️
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