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Grade: 11

                        

Given a 2 + b 2 = c 2 , prove that log b+c a + log b-c a = 2log b+c a * log c-b a

2 years ago

Answers : (1)

Ritesh Khatri
76 Points
							
 logb+ca + logb-ca
= 1/(logab+c) +1/(logab-c)
=(logab+c + logab-c)/(logab+c*logab-c)
=logab2-c2/(logab+c*logab-c)
=logaa2/(logab+c*logab-c)
=2/(logab+c*logab-c)
=2logb+ca * logc-ba
2 years ago
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