Find the value of a and b
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Answer:
A = 0
B = -2/3
Step-by-step explanation:
√7-1 √7+1
______ - _______ = a+b√7
√7+1 √7-1
√7-1 *√7-1 √7+1 * √7+1
_____ _____ - _____ _____ = a+b√7
√7+1 √7-1 √7-1 √7+1
(√7-1)² (√7+1)²
______ - _______ = a+b√5 7
√7² - 1 √7²-1
7+1-2√7 7+1+2√7
______ - ________ = a+b√7
7-1 7-1
8-2√7 8+2√7
______ - ______ = a+b√7
6 6
8-2√7 - 8-2√7
------------------- = a+b√7
6
-4√7/6 = a+b√7
-2√7/3 = a+b√7
a = 0/3
b = -2/3
DO MARK IT AS BRAINLIEST.
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