If P(x) = ax4+bx3+cx2+dx+e has roots at x = 1, 2, 3, 4 and P (0) = 48, what is P(5)
If P(x) = ax4+bx3+cx2+dx+e has roots at x = 1, 2, 3, 4 and P (0) = 48, what is P(5)
abc , 7 Years ago
Grade 9
9 grade maths> If P(x) = ax4+bx3+cx2+dx+e has roots at x...
1 AnswersArun
Last Activity: 7 Years ago
that means we can write the polynomial as-
a(x –1)(x –2)(x –3)(x –4) = P(x)
now P(0) = 48
hence
a *( –1)( –2)( –3)( –4) = 48
hence a = 48/24 = 2
now p(x) = 2 (x –1)(x –2)(x –3)(x –4)
hence P(5) = 2* 4* 3* 2* 1
P(5) = 48
hope it helps
Provide a better Answer & Earn Cool Goodies
LIVE ONLINE CLASSES
Prepraring for the competition made easy just by live online class.
Full Live Access
Study Material
Live Doubts Solving
Daily Class Assignments
Ask a Doubt
Get your questions answered by the expert for free
Other Related Questions on 9 grade maths
In the figure (not to scale) AB = CD, angle DAP = angle DPA and A,B,C,D are concycli. If angle ADC = 80°, then find angle ACD.
In the figure (not to scale) AB = CD, angle DAP = angle DPA and A,B,C,D are concycli. If angle ADC = 80°, then find angle ACD.
9 grade maths
1 Answer Available
Last Activity: 2 Years ago
What length of tarpaulin 3m wide will be required to make conical tent of height 8m and base radius 6m ? Assume that the extra length of material that will be required for stitching and wastage in cutting is approximately 20cm ( Use pi= 3.14)
What length of tarpaulin 3m wide will be required to make conical tent of height 8m and base radius 6m ? Assume that the extra length of material that will be required for stitching and wastage in cutting is approximately 20cm ( Use pi= 3.14)
9 grade maths
1 Answer Available
Last Activity: 3 Years ago