If alpha and beta are zeroes of polynomial p(x) x2-4x-5. value of alpha square + beta square is
Answers
Answered by
0
Step-by-step explanation:
Sum of zeroes= 4/1
( a+b)=4/1
product of zeroes= -5/1
ab= -5/1
to find a^2+b^2
(a+b)^2= a^2+ b^2 + 2ab
so,(a+b)^2-2ab=a^2+ b^2
Now putting the value of a+b and ab
(4^2)-2×(-5)
16+10=26
a^2+b^2=26
(^2= power)
Similar questions
English,
2 months ago
Math,
2 months ago
Math,
2 months ago
Math,
5 months ago
Computer Science,
10 months ago