Question

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Answer 1

Answer:

คຖŞ iຖ คttค¢h๓ēຖt

Explanation:

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Answer 2

Explanation:

Given :

p(x) = 4x² - x - 5

To find :

Relationship between the zeroes and coefficients.

Solution :

We have,

=> 4x² - x - 5

Factorizing we get,

=> 4x² - x - 5

=> 4x² + 4x - 5x - 5

=> 4x(x + 1) - 5(x + 1)

=> (4x - 5) & (x + 1) = 0

=> x = 5/4 & x = -1

Sum of zeroes,

=> (α+β) = -b/a

=> (5/4 + (-1)) = -(-1/4)

=> (5/4 - 1) = 1/4

=> 1/4 = 1/4

∴ L.H.S = R.H.S

Product of zeroes,

=> (αβ) = c/a

=> (5/4 × - 1) = -5/4

=> -5/4 = -5/4

∴ L.H.S = R.H.S

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