Question

5. If x² + y2= 25xy, then prove that 2 log(x + y) = 3log3 + logx + logy.
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Answer 1

Answer:

x^2+y^2=25xy

adding 2xy on both sides

x^2+y^2+2xy=27xy

(x+y) ^2=27xy

taking log both sides

log (x+y) ^2=log 27xy

2 log (x+y) = log 3^3+ log x +log y

2 log (x+y) = 3 log 3 + log x+log y

Step-by-step explanation:

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