please solve 11th question
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Answer:
a = 5 , b = 25
Step-by-step explanation:
(125 - x³) = (5 - x)(x² + ax + b)
a = ?
b = ?
(125 - x³) = (a³ - b³) Property
∵ a³ - b³ = (a - b)(a² + ab + b)
125 - x³ = (5 - x)(5² + 5x + x²)
= (5 - x)(25 + 5x + x²)
(5 - x)(25 + 5x + x²) = (5 - x)(x² + ax + b)
∴ values of a and b are 5 and 25 respectively.
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