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For all real values of `a_(0),a_(1),a_(2),a_(3)` satisfying `a_(0)+(a_(1))/(2)+(a_(2))/(3)+(a_(3))/(4)=0` then equation `a_(0)+a_(1)x+a_(2)x^(2)+a_(3)x^(3)=0` has a real root in the interval

A

[0,1]

B

[-1,0]

C

[1,2]

D

[-2,-1]

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For all real values a_(0),a_(1),a_(2),a_(3) of satisfying a_(0)+(a_(1))/(2)+(a_(2))/(3)+(a_(3))/(4)=0 , the equation a_(0)+a_(1)x+a_(2)x^(2)+a_(3)x^(3)=0 has a real root in the interval

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If a_(1), a_(2), a_(3),…, a_(2k) are in A.P., prove that a_(1)^(2) - a_(2)^(2) + a_(3)^(2) - a_(4)^(2) +…+a_(2k-1)^(2) - a_(2k)^(2) = (k)/(2k-1)(a_(1)^(2) - a_(2k)^(2)) .

WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2015-MULTIPLE CHOICE QUESTIONS
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