alpha , beta are zeroes of polynomial p(x)square-18x+28. if alpha beta =14 . Find the value of 2p square -8
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The answer is constant or on variable?
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First find out the factors Alpha beta =14=7 × 2
This means alpha =7or2 or beta= 7or2
Now find sum of roots alpha + beta=18/p
So put 2+7 as alpha+ beta= 18/p
From here p comes out to be 2
So put p in 2p^2 - 8=2 × 2^2 - 8=0
This means alpha =7or2 or beta= 7or2
Now find sum of roots alpha + beta=18/p
So put 2+7 as alpha+ beta= 18/p
From here p comes out to be 2
So put p in 2p^2 - 8=2 × 2^2 - 8=0
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