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If the polynomial 2x Cube + …

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If the polynomial 2x Cube + x square + 3 x minus 5 and x cube + x square - 4 x + a leave the same remainder when divided by x minus 2 find the value of a

Posted by ☆ Pranal Rewatkar ☆ 3 years, 8 months ago

CBSE > Class 09 > Mathematics

1 answers

Aditi Sehrawat 3 years, 8 months ago

Here is the answer Zero of x-2 =2 By remainder theorem f(2)= 2*2^3+2^2+ 3*2 -5 f(2)= 16+10-5 f(2)=21 Similarly solving second polynomial using remainder theorem . f(2)=2^3+2^2-4*2+a f(2) = 12-8+a f(2)=4+a According to the question. Remainder are equal So 21=4+a 21-4=a 17 = a Therefore value of a is 17

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