Find value of a and b if 6-4 root2/ 6+4root 2 = a+b 2
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Answered by
1
Answer:
a = -12
b = 17
Step-by-step explanation:
To rationalize it we need to multiply it's denominator and numerator with 6-4√2
(6-4√2) (6-4√2) / (6+4√2)(6-4√2)
=( 36 + 32 - 48√2)/ ( 36 - 32)
= (68-48√2) / (4)
= 4 (17-12√2)/ 4
= 17-12√2
it can also be written as
= -12 + 17 √2
hence
a = -12
b = 17
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5
Step-by-step explanation:
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