If α, β are the roots of 7x2 + ax + 2 = 0 andif β-α=-13/7.Find the values of a.

If α, β are the roots of 7 $x^{2}$ + ax + 2 = 0 and
if $β - α = - 13 / 7$ .Find the values of a.

Matching exercise

Match the items on the right to the items on the left.

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