Ii)if a and b are the zeroes of the polynomial mx²+nx+p,find the value of a²+b².
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Step-by-step explanation:
mx²+nx+p=0
sum of zeroes= -n/m
product of zeroes = p/m
a+b= -n/m
(a+b)²=(-n/m)²
a²+b²+2ab=n²/m²
a²+b²+2(p/m)=n²/m²
a²+b²=n²/m² -(2p/m)
=(n²-2pm)/m²
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