shasta12345 shasta12345

14-12-2016
Mathematics

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If (6y − 11)(6y + 11) = ay2 − b, what is the value of a? The value of a is ____________. Numerical Answers Expected! Answer for Blank 1:

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Аноним Аноним

14-12-2016

I hope this helps you

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apologiabiology apologiabiology

14-12-2016

multiply
we notice a difference of 2 perfect square
(a-b)(a+b)=a^2-b^2
(6y-11)(6y+11)=(6y)^2-(11)^2=36y^2-121

a=36
b=121

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