If alpha and beta are the zeros of the polynomial xsquare+7x+12,then find the value of alpha+ beta+2alpha beta
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Heya
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Alfa + Beta = -7
And
Alfa × Beta = -12
=>
Alfa + Beta + 2 Alfa × Beta = -7 + 2 ( -12 )
= -31
______________________________
Alfa + Beta = -7
And
Alfa × Beta = -12
=>
Alfa + Beta + 2 Alfa × Beta = -7 + 2 ( -12 )
= -31
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