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Start learning 50% faster. Sign in nowAccording to the author, shifting more of the city’s travel to comfortable public transport can cut fine particulates in congested areas and improve the air for residents.
I. 12x2 + 22x + 8 = 0
II. 4y2 - y − 3 = 0
I. 6x² - 13 x + 6 = 0
II. 15 y² + 11 y - 12 = 0
I. p2 - 19p + 88 = 0
II. q2 - 48q + 576 = 0
I. 2b2 + 31b + 99 = 0
II. 4a2 + 8a - 45 = 0
Solve the quadratic equations and determine the relation between x and y:
Equation 1: x² - 54x + 704 = 0
Equation 2: y² - 44y + 448 = 0
If α, β are the roots of the equation x² – px + q = 0, then the value of α2+β2+2αβ is
...Solve the quadratic equations and determine the relation between x and y:
Equation 1: x² - 40x + 375 = 0
Equation 2: y² - 36y + 324 = 0
I. p2 – 2p – 15 = 0
II. q2 + 4q – 12 = 0
I. x2 – 10x + 21 = 0
II. y2 + 11y + 28 = 0
I. 63x² + 146x + 80 = 0
II. 42y² + 109y + 70 = 0