Math, asked by Anonymous, 1 year ago

plzzz solve this q fast..I have my xam

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Steph0303: question is not clear
dasabhay: Gfch
Anonymous: find the condition that the zeros of p(x) =x3-px2+qx-r may b a-d,a,a+d

Answers

Answered by pranav1785
1
sum of the roots = p..... a-d+a+a+d = p...... 3a = p ....... a = p/3

a is a root , therefore a can be plugged in place of x 

[p/3]^3 - p[p/3]^2 + q[p/3] - r = 0

simplify this

2p^3 - 9pq + 27r = 0 is the condition

pranav1785: hope it helps
Anonymous: yp...thnxs
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