Write a sentence each, expressing a REQUEST, COMMAND, WISH, and POSSIBILITY using MODALS.
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May
May is the most formal way to ask for permission. The distinction between can and may is slowly disappearing in English. These days, it is not always clear if may is being used to express permission or possibility — or both.
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If -5+iα, -5+iβ (where α²≠β²; α, β∈ R and i²=-1) are roots of x³ + 15x² + c x + 860 = 0, c∈R, Then
(A) c=222
(B) all three roots are imaginary
(C) two roots are imaginary but not complex conjugate of each other
(D) -5+7i√3, -5-7i√3 are imaginary roots
Please give the solution with explanation
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