if A and B are rational numbers and 4 + 3 root 5 by 4 minus 3 root 5 is equal to a + b root 5 find the value of a and b
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Answer:
a = 61/29 , b = 24/29
Step-by-step explanation:
Multiplying by 4-3√5
(4-3√5)²/4²-(3√5)²
= 16+45-24√5/16-45
= 61-24√5/29
= 61/29 - 24/29√5 .
= a + b√5 .
So now a = 61/29 , b = -24/29
Hope it will help you !!!!
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