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(10) If a and B are zeros of ax2 + bx + c, thena3 + ß3 =​

Answer»

Step-by-step explanation:

From the quadratic EQUATION,

SUM, a + b = -b/a

PRODUCT, ab = c/a

Now, (a+b)³=a³+3a²b+3ab²+b³

a^3 + b^3 = (a+b)^3 - 3AB(a+b)

= (-b/a)^3 - 3(c/a)(-b/a)

= -b^3 ÷ a^3 + 3bc ÷ a^2

HOPE THIS HELPS YOU.......


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