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Answer:4
Step-by-step explanation:
Let a denotes the no of odd ball selected and b denotes the no of even ball selected
then
for
for
for
for
thus X can take 4 values i.e. 9,10,11 and 12
Answer:
x² + 10x - 24
Step-by-step explanation:
Given the roots are x = - 12 and x = 2 then the corresponding factors are
(x + 12) and (x - 2) and their product equals zero , that is
(x + 12)(x - 2) = 0 ← expand using FOIL
X² + 10X - 24 = 0
<span><span>(+8) (+2) (-5) =</span><span>(+16) (-5) =</span><span>-80</span></span>