if alpha and beta are the roots of x square + 7x- 60=0 then the value of alpha + beta + alpha beta is
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The value is -67 which is the correct answer
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x²+7x-60
ax²+bx+cx = 0
comare with
a=1, b=7, c= -60
α+β= -7/1
α×β=-60/1
α+β+α×β
-7/1-60/1
-67
ax²+bx+cx = 0
comare with
a=1, b=7, c= -60
α+β= -7/1
α×β=-60/1
α+β+α×β
-7/1-60/1
-67
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