if alpha and beta are the two zeros of the polynomial P of X is equals to x square - 5 x + 8 Oz Alpha square plus beta square and one by Alpha Plus One by beta and one by Alpha square + 1 by beta square
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Here is your answer by Sujeet
Given that quardratic equation
x²-5x+8
Sum of zeroes=-b/a=-(5)/1=5
product of zeroes=c/a=8/1=8
so the value of
a²+b²
=(a+b)²-2ab
=5²-2(8)
=25-16
=9
2) 1/a + 1/b
=a+b / ab
=5/8
that's all
Given that quardratic equation
x²-5x+8
Sum of zeroes=-b/a=-(5)/1=5
product of zeroes=c/a=8/1=8
so the value of
a²+b²
=(a+b)²-2ab
=5²-2(8)
=25-16
=9
2) 1/a + 1/b
=a+b / ab
=5/8
that's all
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