Question

4. If alpha + beta = - 3 and alpha*beta = - 5/2 , then find the quadratic equation whose roots are a and B. (a) 2x ^ 2 - 5x + 6 = 0 (c) 2x ^ 2 + 6x - 5 = 0 (b) 2x ^ 2 - 6x + 5 = 0 (d) 2x ^ 2 - 6x - 5 = 0

Answer 1

Answer:

option C is ur ans

Step-by-step explanation:

alpha + beta = -3

alpha × beta = -5/2

x² - (alpha + beta)x + alpha×beta

x² - (-3)x + -5/2

x² + 3x -5/2

2x² + 6x - 5

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Answer 2

alpha + beta = - 3

alpha*beta = - 5/2

x² -(alpha + beta) x + alpha*beta

x² +3x -5/2

2x² + 6x -5 =0