1) if α&β are zeroes of 2x²-3x+2 find the value of :
1) α³+β³ 2) 1/α + 1/β 3) α²+β²
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a^3+b^3=(a+b)^3-3ab(a+b) where a and b are the roots of the equation.plug in the values of sum of roots and product of roots
1/a+1/b=a+b/ab.
a^2+b^2=(a+b)^2-2ab. just plug in the values u will get the answers
1/a+1/b=a+b/ab.
a^2+b^2=(a+b)^2-2ab. just plug in the values u will get the answers
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