यदि ` alpha, beta ` बहुपद ` f ( x) = ax ^ 2 + bx + c ` के शून्यक हो, तो ` ( 1 ) /( alpha ^ 2 ) + ( 1 ) /( beta ^ 2 ) = `

Options

A. ` ( b ^ 2 - 2ac ) / ( a ^ 2 ) `
B. ` ( b ^ 2 - 2 a c ) /( c ^ 2 ) `
C. ` ( b ^ 2 + 2ac ) /( a ^ 2 ) `
D. ` ( b ^ 2 + 2ac ) /( c ^ 2 ) `

Answer

B