The sum of roots of quadratic equation
ax²+bx+c=0 is
is equal to sum of square
of their reciprocal then prove that
1/alpha2+1/beta2=b2-ca/2a
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একটি ঘনকের পতিটি বাহুকে 50% কমানো হল৷ মূল ঘনক ও পরিবতীত ঘনকের ঘনফলের অনুপাত কী হবে হিসাব করি
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