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Grade: 11
        `A`, `B` be roots of x^2-6x-2=0 with A>B. If T(n)= A^n- B^n, where n is an integer. Find the numerical value of [T(2014)-2T(2012)]/T(2013).
6 years ago

Answers : (1)

Apptica Corporations
37 Points
							See the question is very easy to tackle. What you need to do is derive value from the equation given.

(A^2014-B^2014)-2(A^2012-B^2012)/(A^2013-B^2013)
[A^2012(A^2-2)]-[B^2012(B^2-2)]/(A^2013-B^2013)
Now if we put A on the equation given, A2-6A-2=0 so A2-2 = 6A
So replace the values and you will get 6(A^2013-B^2013)/(A^2013-B^2013)

Answer is 6.

I recommend you to first copy the solution in your notebook then it will become understandable
						
6 years ago
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