Question

if alpha and beta are the zeros ax^2+bx+c then evaluate (i)alpha^2-Beta^2 and (ii)(alpha-beta)^2

Answer 1

Answer:

Full answer is photo below.

Step-by-step explanation:

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Answer 2

Answer:

✰ᴀɴsᴡᴇʀ✰

If alpha and beta are the roots of a quadratic equations ax² + bx + c = 0 then,

alpha + beta = -b/a

alpha × beta = c/a

alpha² + beta² = (alpha + beta²) - 2alpha × beta

= b²/a² - 2c/a

= b² - 2ac/a²

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