if a,b are solutions of x^2+2014x+1 and c,d are solutions of x^2-2015 x+1 find (a+c)(b+c)(a-b)(b-d)
juveria , 9 Years ago
Grade 10
10 grade maths> if a,b are solutions of x^2+2014x+1 and c...
1 Answers
Alfaz Khan
Last Activity: 9 Years ago
Multiple (i mean open the brackets), so after that you will get terms of ab,ac,ca....
all the non get able terms get cancelled and you will get ab,cd,(i hope a+b,c+d,..)
so use alpha+beta=-b/a and alpha*beta=c/a.
Hope u got it.
[THE TERMS MIGHT MATCH BUT THE APPROCHE IS CORRECT]
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