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If roots of (x-p)(x-q) = c are a and bwhat will be the roots of (x-a)(x-b) = -c please explain?Ans) (x-p)(x-q)=cx2-(p+q)x-c=0hence, a+b=p+q and a.b=pq-c a.b+c=p.qby solving other eq we getx2-(a+b)x+ab+c=0thus sum of roots=a+b=p+q product of roots=a.b+c=p.qhence its roots are pand q
find the matrix of the linear transformations T:R2->R2 defined by T(x,y,z)=(x+2y,x-3z).
I don''t get it .... Help
I need help on how to do real word problm with unit rates.
4x+3y+7=0 and 3x+4y+8=0 find the regression coefficient between bxy and byx.
can anyone explain me the concept of quadratic equation?
how to work out inequalities with negative signs?
Illustration 1 In a described exam the scores for 10 students were given as: Student Mark (x) |x-x¯| A 60
-10b2*-5b2=
Prove that a simple graph is connected if and only if it has a spanning tree. Ans: First assume that a simple graph G has a spanning tree T. T consists of every node of G.
verify 4(sin^4 30^0+cos60^0 )-3(cos^2 ?45?^0-sin^2 90^0 )=2
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